US Bridges

Nfa 1181 (sa 0605) over Blue Springs Branch

Good

Bradley County, Tennessee · 2MI South of SR40 · Structure no. 06S43320001

Built
1950
75 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 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 1950, so it is 75 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 446 vehicles a day, roughly 3% of them trucks, projected to reach 661 by 2041. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1181 (sa 0605)
CrossesBlue Springs Branch
Location2MI South of SR40
RouteCounty Highway 1181
Coordinates35.08771, -84.90885
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.2 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 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 1950, making it 75 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 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

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

It is owned by the County Highway Agency.