US Bridges

Nfa 4261 over Doe River

FairPosted for load

Carter County, Tennessee · In Hampton · Structure no. 100A2730003

Built
1915
110 years old, rebuilt 1982
Condition
Fair
inspected August 2023
Type
Arch - Deck
Concrete
Length
179 ft
4 main spans
Daily traffic
800
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 4261 over Doe River is a concrete arch - deck carrying Nfa 4261 over Doe River in Carter County, Tennessee. It was built in 1915 and reconstructed in 1982, so it is 110 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 800 vehicles a day, roughly 3% of them trucks, projected to reach 1,318 by 2041. The structure is 179 ft (54.6 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa 4261
CrossesDoe River
LocationIn Hampton
RouteCounty Highway 4261
Coordinates36.28455, -82.17474
Functional classUrban Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length179 ft (54.6 m)
Longest span47 ft (14.4 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2021)
Projected traffic1,318 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 4261 over Doe River built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1982.

What condition is Nfa 4261 over Doe 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 Nfa 4261 over Doe River carry?

About 800 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 4261 over Doe River?

The structure is 179 ft (54.6 m) long with a longest span of 47 ft (14.4 m) and a deck 36 ft wide.

Who owns Nfa 4261 over Doe River?

It is owned by the County Highway Agency.