US Bridges

Flint TR SW over Amite River

Fair

Lincoln County, Mississippi · Sec 16 T 5N R 6E · Structure no. SA4300000000006

Built
1975
50 years old, rebuilt 2018
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
70
2024 count
Owner
County
County Highway Agency

About this bridge

Flint TR SW over Amite River is a concrete channel beam carrying Flint TR SW over Amite River in Lincoln County, Mississippi. It was built in 1975 and reconstructed in 2018, so it is 50 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 70 vehicles a day, projected to reach 80 by 2046. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFlint TR SW
CrossesAmite River
LocationSec 16 T 5N R 6E
RouteCounty Highway 313
Coordinates31.39658, -90.60619
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2024)
Projected traffic80 by 2046
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Flint TR SW over Amite River built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2018.

What condition is Flint TR SW over Amite River 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 August 2023.

How much traffic does Flint TR SW over Amite River carry?

About 70 vehicles per day (2024 count).

How long is Flint TR SW over Amite River?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Flint TR SW over Amite River?

It is owned by the County Highway Agency.