US Bridges

Nfa B090 over Dry Fork Branch

Good

Sumner County, Tennessee · 4.2 MI SW JCT SR376&TROUS · Structure no. 830B0900003

Built
1978
47 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B090 over Dry Fork Branch is a concrete continuous culvert carrying Nfa B090 over Dry Fork Branch in Sumner County, Tennessee. It was built in 1978, so it is 47 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 130 vehicles a day, roughly 8% of them trucks, projected to reach 208 by 2041. The structure is 29 ft (8.8 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa B090
CrossesDry Fork Branch
Location4.2 MI SW JCT SR376&TROUS
RouteCounty Highway 0B090
Coordinates36.45155, -86.34283
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 B090 over Dry Fork Branch built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa B090 over Dry Fork 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 December 2024.

How much traffic does Nfa B090 over Dry Fork Branch carry?

About 130 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Nfa B090 over Dry Fork Branch?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m) and a deck 24 ft wide.

Who owns Nfa B090 over Dry Fork Branch?

It is owned by the County Highway Agency.