US Bridges

Nfa 910 (sa 4201) over Curt Branch

Good

Houston County, Tennessee · 4 M S of Stewart · Structure no. 42S62610005

Built
1947
78 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
224
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 910 (sa 4201) over Curt Branch is a concrete continuous culvert carrying Nfa 910 (sa 4201) over Curt Branch in Houston County, Tennessee. It was built in 1947, so it is 78 years old, older 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 224 vehicles a day, roughly 3% of them trucks, projected to reach 314 by 2042. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 910 (sa 4201)
CrossesCurt Branch
Location4 M S of Stewart
RouteCounty Highway 910
Coordinates36.2686, -87.87827
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.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic224 (2021)
Projected traffic314 by 2042
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 910 (sa 4201) over Curt Branch built?

It was built in 1947, making it 78 years old in 2025.

What condition is Nfa 910 (sa 4201) over Curt 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 January 2024.

How much traffic does Nfa 910 (sa 4201) over Curt Branch carry?

About 224 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 910 (sa 4201) over Curt Branch?

The structure is 45 ft (13.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Nfa 910 (sa 4201) over Curt Branch?

It is owned by the County Highway Agency.