US Bridges

FAP 1 over Higgs Branch

Fair

Grainger County, Tennessee · .9 M S of Corbin Lake · Structure no. 29SR0010013

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
4,490
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 1 over Higgs Branch is a concrete continuous culvert carrying FAP 1 over Higgs Branch in Grainger 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 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 4,490 vehicles a day, roughly 5% of them trucks, projected to reach 7,184 by 2042. The structure is 32 ft (9.8 m) long and 129 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesFAP 1
CrossesHiggs Branch
Location.9 M S of Corbin Lake
RouteU.S. Route 11
CountyGrainger County
StateTennessee
Coordinates36.24543, -83.6015
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 protection7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width129 ft (39.2 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,490 (2021)
Projected traffic7,184 by 2042
Trucks5%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$311,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 1 over Higgs Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is FAP 1 over Higgs 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 Higgs Branch carry?

About 4,490 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 1 over Higgs Branch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m) and a deck 129 ft wide.

Who owns FAP 1 over Higgs Branch?

It is owned by the State Highway Agency.