US Bridges

Nfa 1181 (sa 0605) over Blue Springs Branch

Good

Bradley County, Tennessee · 2.5 MI South of SR40 · Structure no. 06S43320003

Built
1985
40 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
446
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1181 (sa 0605) over Blue Springs Branch is a concrete continuous culvert carrying Nfa 1181 (sa 0605) over Blue Springs Branch in Bradley County, Tennessee. It was built in 1985, so it is 40 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 446 vehicles a day, roughly 3% of them trucks, projected to reach 661 by 2041. The structure is 44 ft (13.4 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1181 (sa 0605)
CrossesBlue Springs Branch
Location2.5 MI South of SR40
RouteCounty Highway 1181
Coordinates35.09083, -84.90958
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 inspectionOctober 2023
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width41 ft (12.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic446 (2021)
Projected traffic661 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 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 1181 (sa 0605) over Blue Springs Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa 1181 (sa 0605) over Blue Springs 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 October 2023.

How much traffic does Nfa 1181 (sa 0605) over Blue Springs Branch carry?

About 446 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1181 (sa 0605) over Blue Springs Branch?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 41 ft wide.

Who owns Nfa 1181 (sa 0605) over Blue Springs Branch?

It is owned by the County Highway Agency.