US Bridges

CO RD 85 over Thompson Creek

Fair

Carroll County, Mississippi · Sec 31 T20N R 5E B · Structure no. SA0800000000156

Built
1961
64 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
300 main spans
Daily traffic
60
2014 count
Owner
County
County Highway Agency

About this bridge

CO RD 85 over Thompson Creek is a concrete stringer/multi-beam or girder carrying CO RD 85 over Thompson Creek in Carroll County, Mississippi. It was built in 1961, so it is 64 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 60 vehicles a day, projected to reach 90 by 2034. The structure is 120 ft (36.6 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCO RD 85
CrossesThompson Creek
LocationSec 31 T20N R 5E B
RouteCounty Highway 85
Coordinates33.55461, -89.81
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans300
Design loadH 15
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2014)
Projected traffic90 by 2034
Trucks—
Lanes on structure20
Traffic directionTwo-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$314,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CO RD 85 over Thompson Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is CO RD 85 over Thompson Creek 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 October 2023.

How much traffic does CO RD 85 over Thompson Creek carry?

About 60 vehicles per day (2014 count).

How long is CO RD 85 over Thompson Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns CO RD 85 over Thompson Creek?

It is owned by the County Highway Agency.