US Bridges

Nfa 4261 over Little Doe River

Good

Carter County, Tennessee · In SE Part-Elizabethton · Structure no. 100A2730001

Built
2016
9 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
100 ft
1 main span
Daily traffic
467
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 4261 over Little Doe River is a concrete box beam or girders - multiple carrying Nfa 4261 over Little Doe River in Carter County, Tennessee. It was built in 2016, so it is 9 years old, younger than the Tennessee average of 47.4 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 467 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2041. The structure is 100 ft (30.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa 4261
CrossesLittle Doe River
LocationIn SE Part-Elizabethton
RouteCounty Highway 4261
Coordinates36.24688, -82.19482
Functional classRural Minor 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.
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 above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span95 ft (29 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic467 (2021)
Projected traffic800 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 4261 over Little Doe River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Nfa 4261 over Little Doe 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 August 2023.

How much traffic does Nfa 4261 over Little Doe River carry?

About 467 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 4261 over Little Doe River?

The structure is 100 ft (30.5 m) long with a longest span of 95 ft (29 m) and a deck 30 ft wide.

Who owns Nfa 4261 over Little Doe River?

It is owned by the County Highway Agency.