US Bridges

Nfa A001 over Mountain Creek

Good

Warren County, Tennessee · 1MI East of SR56 · Structure no. 890A1060001

Built
1963
62 years old
Condition
Good
inspected March 2023
Type
Tee Beam
Concrete
Length
57 ft
2 main spans
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A001 over Mountain Creek is a concrete tee beam carrying Nfa A001 over Mountain Creek in Warren County, Tennessee. It was built in 1963, so it is 62 years old, older 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 32 by 2042. The structure is 57 ft (17.4 m) long and 18 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A001
CrossesMountain Creek
Location1MI East of SR56
RouteCounty Highway 1
Coordinates35.80797, -85.77654
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length57 ft (17.4 m)
Longest span26 ft (7.9 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2020)
Projected traffic32 by 2042
Trucks2%
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$185,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A001 over Mountain Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is Nfa A001 over Mountain Creek 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 March 2023.

How much traffic does Nfa A001 over Mountain Creek carry?

About 20 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A001 over Mountain Creek?

The structure is 57 ft (17.4 m) long with a longest span of 26 ft (7.9 m) and a deck 18 ft wide.

Who owns Nfa A001 over Mountain Creek?

It is owned by the County Highway Agency.