US Bridges

Nfa B025 over Covey Branch

Good

Maury County, Tennessee · 5 M. Nw. Culleoka. · Structure no. 600B0250001

Built
1960
65 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B025 over Covey Branch is a concrete continuous culvert carrying Nfa B025 over Covey Branch in Maury County, Tennessee. It was built in 1960, so it is 65 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 110 vehicles a day, roughly 2% of them trucks, projected to reach 176 by 2040. The structure is 33 ft (10.1 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa B025
CrossesCovey Branch
Location5 M. Nw. Culleoka.
RouteCounty Highway 25
Coordinates35.51002, -87.07365
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 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 rating63.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span15 ft (4.6 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic176 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$119,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B025 over Covey Branch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa B025 over Covey 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 May 2024.

How much traffic does Nfa B025 over Covey Branch carry?

About 110 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B025 over Covey Branch?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m) and a deck 22 ft wide.

Who owns Nfa B025 over Covey Branch?

It is owned by the County Highway Agency.