US Bridges

Nfa A940 over Branch

Fair

Anderson County, Tennessee · In Oak Ridge · Structure no. 010A9400001

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Concrete
Length
32 ft
1 main span
Daily traffic
430
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A940 over Branch is a concrete channel beam carrying Nfa A940 over Branch in Anderson County, Tennessee. It was built in 1970, so it is 55 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 430 vehicles a day, roughly 2% of them trucks, projected to reach 688 by 2042. The structure is 32 ft (9.7 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A940
CrossesBranch
LocationIn Oak Ridge
RouteCity Street 940
CountyAnderson County
StateTennessee
Coordinates36.02564, -84.20445
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span30 ft (9.1 m)
Deck width36 ft (11.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2020)
Projected traffic688 by 2042
Trucks2%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 A940 over Branch built?

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

What condition is Nfa A940 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 June 2023.

How much traffic does Nfa A940 over Branch carry?

About 430 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A940 over Branch?

The structure is 32 ft (9.7 m) long with a longest span of 30 ft (9.1 m) and a deck 36 ft wide.

Who owns Nfa A940 over Branch?

It is owned by the City or Municipal Highway Agency.