US Bridges

Nfa 1829 (sa 5111) over Spring Branch

Fair

Lewis County, Tennessee · 6.5 M. Ne. Gordonsburg. · Structure no. 51S62640005

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
311
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1829 (sa 5111) over Spring Branch is a concrete continuous culvert carrying Nfa 1829 (sa 5111) over Spring Branch in Lewis County, Tennessee. It was built in 1972, so it is 53 years old, older 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 5 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 311 vehicles a day, roughly 3% of them trucks, projected to reach 461 by 2041. The structure is 22 ft (6.7 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1829 (sa 5111)
CrossesSpring Branch
Location6.5 M. Ne. Gordonsburg.
RouteCounty Highway 1829
Coordinates35.63558, -87.33932
Functional classRural Minor Collector

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic311 (2021)
Projected traffic461 by 2041
Trucks3%
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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$170,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1829 (sa 5111) over Spring Branch built?

It was built in 1972, making it 53 years old in 2025.

What condition is Nfa 1829 (sa 5111) over Spring 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 June 2023.

How much traffic does Nfa 1829 (sa 5111) over Spring Branch carry?

About 311 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1829 (sa 5111) over Spring Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Nfa 1829 (sa 5111) over Spring Branch?

It is owned by the County Highway Agency.