US Bridges

SR 28 over Thompson Creek

Fair

Copiah County, Mississippi · 9.7 MI E SR 547 · Structure no. 310002801503760

Built
1948
77 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

SR 28 over Thompson Creek is a steel stringer/multi-beam or girder carrying SR 28 over Thompson Creek in Copiah County, Mississippi. It was built in 1948, so it is 77 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.

It carries about 3,300 vehicles a day, roughly 20% of them trucks, projected to reach 3,300 by 2043. The structure is 120 ft (36.6 m) long and 29 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

Location

Open in Google Maps
CarriesSR 28
CrossesThompson Creek
Location9.7 MI E SR 547
RouteState Highway 28
CountyCopiah County
StateMississippi
Coordinates31.7998, -90.52886
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating46.6 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 15
Structure length120 ft (36.6 m)
Longest span60 ft (18.3 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic3,300 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$450 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 28 over Thompson Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is SR 28 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 September 2024.

How much traffic does SR 28 over Thompson Creek carry?

About 3,300 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is SR 28 over Thompson Creek?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 29 ft wide.

Who owns SR 28 over Thompson Creek?

It is owned by the State Highway Agency.