US Bridges

FAP 8 over Mountain Creek

Fair

Hamilton County, Tennessee · 1.29 Mi. W of SR-29 Jct. · Structure no. 33SR0080021

Built
1936
89 years old, rebuilt 2005
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
30,012
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 8 over Mountain Creek is a concrete continuous culvert carrying FAP 8 over Mountain Creek in Hamilton County, Tennessee. It was built in 1936 and reconstructed in 2005, so it is 89 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 30,012 vehicles a day, roughly 6% of them trucks, projected to reach 47,040 by 2041. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 60.9 mi (98 km).

CarriesFAP 8
CrossesMountain Creek
Location1.29 Mi. W of SR-29 Jct.
RouteU.S. Route 127
Coordinates35.09812, -85.32755
Functional classUrban Other Principal 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,012 (2021)
Projected traffic47,040 by 2041
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.9 mi (98 km)
TollOn a free road
National Highway SystemYes

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$680,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 8 over Mountain Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2005.

What condition is FAP 8 over Mountain Creek 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 September 2024.

How much traffic does FAP 8 over Mountain Creek carry?

About 30,012 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 8 over Mountain Creek?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m).

Who owns FAP 8 over Mountain Creek?

It is owned by the State Highway Agency.