US Bridges

FAP 31 over Branch

Fair

Hawkins County, Tennessee · 2.1 M W of Grainger CO LN · Structure no. 37SR0310001

Built
1958
67 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
2,939
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 31 over Branch is a concrete continuous culvert carrying FAP 31 over Branch in Hawkins County, Tennessee. It was built in 1958, so it is 67 years old, older than the Tennessee average of 47.4 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 2,939 vehicles a day, roughly 5% of them trucks, projected to reach 5,872 by 2040. The structure is 39 ft (11.9 m) long and 36 ft wide. If it were closed, the detour would be 52.2 mi (84 km).

CarriesFAP 31
CrossesBranch
Location2.1 M W of Grainger CO LN
RouteState Highway 31
Coordinates36.34622, -83.22813
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,939 (2021)
Projected traffic5,872 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$359,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 31 over Branch built?

It was built in 1958, making it 67 years old in 2025.

What condition is FAP 31 over 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 August 2024.

How much traffic does FAP 31 over Branch carry?

About 2,939 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 31 over Branch?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns FAP 31 over Branch?

It is owned by the State Highway Agency.