US Bridges

Pittsboro/H.Thorn over Chico Creek

Poor

Chickasaw County, Mississippi · Sec 5 T14S R 3E · Structure no. SA0900000000105

Built
1972
53 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
980
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pittsboro/H.Thorn over Chico Creek is a steel stringer/multi-beam or girder carrying Pittsboro/H.Thorn over Chico Creek in Chickasaw County, Mississippi. It was built in 1972, so it is 53 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, temporary structure in place while original is closed.

It carries about 980 vehicles a day, roughly 8% of them trucks, projected to reach 1,470 by 2043. The structure is 31 ft (9.6 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPittsboro/H.Thorn
CrossesChico Creek
LocationSec 5 T14S R 3E
RouteCounty Highway 800
Coordinates33.89976, -89.01196
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 12 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.6 m)
Longest span29 ft (8.9 m)
Deck width23 ft (7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2024)
Projected traffic1,470 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$261,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pittsboro/H.Thorn over Chico Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Pittsboro/H.Thorn over Chico Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does Pittsboro/H.Thorn over Chico Creek carry?

About 980 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Pittsboro/H.Thorn over Chico Creek?

The structure is 31 ft (9.6 m) long with a longest span of 29 ft (8.9 m) and a deck 23 ft wide.

Who owns Pittsboro/H.Thorn over Chico Creek?

It is owned by the City or Municipal Highway Agency.