US Bridges

Nfa 2135 (sa 1617) over Welker Branch

Good

Coffee County, Tennessee · 1.5 MI from SR 53 · Structure no. 16021350003

Built
1999
26 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
1,805
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2135 (sa 1617) over Welker Branch is a concrete continuous culvert carrying Nfa 2135 (sa 1617) over Welker Branch in Coffee County, Tennessee. It was built in 1999, so it is 26 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 1,805 vehicles a day, roughly 1% of them trucks, projected to reach 2,888 by 2042. The structure is 34 ft (10.5 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 2135 (sa 1617)
CrossesWelker Branch
Location1.5 MI from SR 53
RouteCounty Highway 2135
Coordinates35.54513, -86.06726
Functional classUrban 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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span15 ft (4.6 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,805 (2021)
Projected traffic2,888 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 2135 (sa 1617) over Welker Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa 2135 (sa 1617) over Welker 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 March 2024.

How much traffic does Nfa 2135 (sa 1617) over Welker Branch carry?

About 1,805 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 2135 (sa 1617) over Welker Branch?

The structure is 34 ft (10.5 m) long with a longest span of 15 ft (4.6 m) and a deck 30 ft wide.

Who owns Nfa 2135 (sa 1617) over Welker Branch?

It is owned by the County Highway Agency.