US Bridges

Nfa A234 over Brown Creek

Good

Cumberland County, Tennessee · North of I40 · Structure no. 180A2340003

Built
2008
17 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
860
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A234 over Brown Creek is a concrete continuous culvert carrying Nfa A234 over Brown Creek in Cumberland County, Tennessee. It was built in 2008, so it is 17 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 860 vehicles a day, roughly 2% of them trucks, projected to reach 1,376 by 2040. The structure is 25 ft (7.6 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesNfa A234
CrossesBrown Creek
LocationNorth of I40
RouteCounty Highway 234
Coordinates35.96107, -84.93647
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 protection7 GoodSome minor problems.
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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width31 ft (9.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic860 (2020)
Projected traffic1,376 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A234 over Brown Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Nfa A234 over Brown 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 Nfa A234 over Brown Creek carry?

About 860 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A234 over Brown Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 31 ft wide.

Who owns Nfa A234 over Brown Creek?

It is owned by the County Highway Agency.