US Bridges

Thompson Road over East Fork Amite River

Good

Amite County, Mississippi · Sec 6 T 3N R 6E B · Structure no. SA0300000000127

Built
1970
55 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
360 ft
9 main spans
Daily traffic
640
2022 count
Owner
County
County Highway Agency

About this bridge

Thompson Road over East Fork Amite River is a prestressed concrete stringer/multi-beam or girder carrying Thompson Road over East Fork Amite River in Amite County, Mississippi. It was built in 1970, so it is 55 years old, older than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 640 vehicles a day, roughly 8% of them trucks, projected to reach 960 by 2044. The structure is 360 ft (109.8 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesThompson Road
CrossesEast Fork Amite River
LocationSec 6 T 3N R 6E B
RouteCounty Highway 267
Coordinates31.2568, -90.64797
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 15
Structure length360 ft (109.8 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic640 (2022)
Projected traffic960 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Thompson Road over East Fork Amite River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Thompson Road over East Fork Amite River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does Thompson Road over East Fork Amite River carry?

About 640 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Thompson Road over East Fork Amite River?

The structure is 360 ft (109.8 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Thompson Road over East Fork Amite River?

It is owned by the County Highway Agency.