US Bridges

FAP 108 over Berner Creek

Good

Grundy County, Tennessee · Near 25th Ave Jct. · Structure no. 31SR1080005

Built
1950
75 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
3,971
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 108 over Berner Creek is a concrete continuous culvert carrying FAP 108 over Berner Creek in Grundy County, Tennessee. It was built in 1950, so it is 75 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 3,971 vehicles a day, roughly 6% of them trucks, projected to reach 7,936 by 2040. The structure is 21 ft (6.5 m) long and 65 ft wide. If it were closed, the detour would be 75.8 mi (122 km).

CarriesFAP 108
CrossesBerner Creek
LocationNear 25th Ave Jct.
RouteState Highway 108
Coordinates35.36977, -85.64513
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum 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 length21 ft (6.5 m)
Longest span10 ft (3 m)
Deck width65 ft (19.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,971 (2021)
Projected traffic7,936 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.8 mi (122 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP 108 over Berner Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is FAP 108 over Berner 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 May 2024.

How much traffic does FAP 108 over Berner Creek carry?

About 3,971 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 108 over Berner Creek?

The structure is 21 ft (6.5 m) long with a longest span of 10 ft (3 m) and a deck 65 ft wide.

Who owns FAP 108 over Berner Creek?

It is owned by the State Highway Agency.