US Bridges

Nfa 2177 (sa 8904) over Garner Branch

Good

Warren County, Tennessee · 4 MI North of SR 55 · Structure no. 89021770003

Built
1983
42 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
67 ft
4 main spans
Daily traffic
1,327
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2177 (sa 8904) over Garner Branch is a concrete continuous culvert carrying Nfa 2177 (sa 8904) over Garner Branch in Warren County, Tennessee. It was built in 1983, so it is 42 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 1,327 vehicles a day, roughly 3% of them trucks, projected to reach 2,248 by 2042. The structure is 67 ft (20.4 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesNfa 2177 (sa 8904)
CrossesGarner Branch
Location4 MI North of SR 55
RouteCounty Highway 2177
Coordinates35.66388, -85.88612
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.3 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,327 (2021)
Projected traffic2,248 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2177 (sa 8904) over Garner Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa 2177 (sa 8904) over Garner Branch 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 April 2023.

How much traffic does Nfa 2177 (sa 8904) over Garner Branch carry?

About 1,327 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2177 (sa 8904) over Garner Branch?

The structure is 67 ft (20.4 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns Nfa 2177 (sa 8904) over Garner Branch?

It is owned by the County Highway Agency.