US Bridges

Nfa A886 over Branch

Fair

Maury County, Tennessee · In the City of Columbia · Structure no. 600A8860003

Built
1993
32 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
31 ft
3 main spans
Daily traffic
300
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A886 over Branch is a concrete continuous culvert carrying Nfa A886 over Branch in Maury County, Tennessee. It was built in 1993, so it is 32 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 300 vehicles a day, roughly 1% of them trucks, projected to reach 480 by 2040. The structure is 31 ft (9.4 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A886
CrossesBranch
LocationIn the City of Columbia
RouteCity Street 886
Coordinates35.60003, -87.06133
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span8 ft (2.4 m)
Deck width31 ft (9.4 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic480 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$224,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A886 over Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nfa A886 over Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Nfa A886 over Branch carry?

About 300 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A886 over Branch?

The structure is 31 ft (9.4 m) long with a longest span of 8 ft (2.4 m) and a deck 31 ft wide.

Who owns Nfa A886 over Branch?

It is owned by the City or Municipal Highway Agency.