US Bridges

Nfa 1299 over Little Branch

Good

Union County, Tennessee · Btwn SR61 & 131-S of Lutt · Structure no. 870D3740001

Built
2023
2 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
518
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1299 over Little Branch is a concrete continuous culvert carrying Nfa 1299 over Little Branch in Union County, Tennessee. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 518 vehicles a day, roughly 3% of them trucks, projected to reach 829 by 2042. The structure is 35 ft (10.7 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNfa 1299
CrossesLittle Branch
LocationBtwn SR61 & 131-S of Lutt
RouteCounty Highway 1299
Coordinates36.17305, -83.77065
Functional classRural Minor 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 protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic518 (2021)
Projected traffic829 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$512,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1299 over Little Branch built?

It was built in 2023, making it 2 years old in 2025.

What condition is Nfa 1299 over Little 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 July 2024.

How much traffic does Nfa 1299 over Little Branch carry?

About 518 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1299 over Little Branch?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Nfa 1299 over Little Branch?

It is owned by the County Highway Agency.