US Bridges

CR 139 over Unnamed Branch

Fair

Chickasaw County, Mississippi · Sec 36 T13S R 5E · Structure no. SA0900000000086

Built
1973
52 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

CR 139 over Unnamed Branch is a steel stringer/multi-beam or girder carrying CR 139 over Unnamed Branch in Chickasaw County, Mississippi. It was built in 1973, so it is 52 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, posting recommended but not legally implemented.

It carries about 20 vehicles a day, projected to reach 30 by 2043. The structure is 45 ft (13.6 m) long and 14 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR 139
CrossesUnnamed Branch
LocationSec 36 T13S R 5E
RouteCounty Highway 139
CountyChickasaw County
StateMississippi
Coordinates33.90444, -88.72022
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17 US tons
Inventory rating10.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length45 ft (13.6 m)
Longest span44 ft (13.3 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (4.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2021)
Projected traffic30 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$326,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 139 over Unnamed Branch built?

It was built in 1973, making it 52 years old in 2025.

What condition is CR 139 over Unnamed Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does CR 139 over Unnamed Branch carry?

About 20 vehicles per day (2021 count).

How long is CR 139 over Unnamed Branch?

The structure is 45 ft (13.6 m) long with a longest span of 44 ft (13.3 m) and a deck 14 ft wide.

Who owns CR 139 over Unnamed Branch?

It is owned by the County Highway Agency.