US Bridges

Nfa 1261 (sa 7604) over Huntsville Branch

Good

Scott County, Tennessee · 5 M SE of Robbins · Structure no. 76S23420003

Built
1993
32 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
232
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1261 (sa 7604) over Huntsville Branch is a concrete continuous culvert carrying Nfa 1261 (sa 7604) over Huntsville Branch in Scott 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 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 232 vehicles a day, roughly 3% of them trucks, projected to reach 512 by 2041. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1261 (sa 7604)
CrossesHuntsville Branch
Location5 M SE of Robbins
RouteCounty Highway 1261
CountyScott County
StateTennessee
Coordinates36.32095, -84.50961
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span15 ft (4.7 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic232 (2021)
Projected traffic512 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1261 (sa 7604) over Huntsville Branch built?

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

What condition is Nfa 1261 (sa 7604) over Huntsville 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 September 2024.

How much traffic does Nfa 1261 (sa 7604) over Huntsville Branch carry?

About 232 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1261 (sa 7604) over Huntsville Branch?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.7 m) and a deck 30 ft wide.

Who owns Nfa 1261 (sa 7604) over Huntsville Branch?

It is owned by the County Highway Agency.