US Bridges

FAP 1 over Highland Springs Branch

Fair

Grainger County, Tennessee · 1.3 M NW of Clinch Mtn · Structure no. 29SR0010009

Built
1946
79 years old, rebuilt 1964
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
5,076
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 1 over Highland Springs Branch is a concrete continuous culvert carrying FAP 1 over Highland Springs Branch in Grainger County, Tennessee. It was built in 1946 and reconstructed in 1964, so it is 79 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,076 vehicles a day, roughly 6% of them trucks, projected to reach 8,122 by 2042. The structure is 24 ft (7.2 m) long and 40 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesFAP 1
CrossesHighland Springs Branch
Location1.3 M NW of Clinch Mtn
RouteU.S. Route 11
Coordinates36.22415, -83.63533
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating31.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.2 m)
Longest span10 ft (3 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,076 (2021)
Projected traffic8,122 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$590,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 1 over Highland Springs Branch built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1964.

What condition is FAP 1 over Highland Springs Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does FAP 1 over Highland Springs Branch carry?

About 5,076 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 1 over Highland Springs Branch?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns FAP 1 over Highland Springs Branch?

It is owned by the State Highway Agency.