US Bridges

Nfa 2436 over Gap Creek

Fair

Knox County, Tennessee · At Kimberlin Hgts · Structure no. 47024360005

Built
1930
95 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
4,046
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2436 over Gap Creek is a concrete channel beam carrying Nfa 2436 over Gap Creek in Knox County, Tennessee. It was built in 1930, so it is 95 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 4,046 vehicles a day, roughly 3% of them trucks, projected to reach 11,008 by 2040. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa 2436
CrossesGap Creek
LocationAt Kimberlin Hgts
RouteCounty Highway 2436
Coordinates35.92492, -83.7455
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 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; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,046 (2021)
Projected traffic11,008 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$238,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2436 over Gap Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Nfa 2436 over Gap Creek 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 Nfa 2436 over Gap Creek carry?

About 4,046 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2436 over Gap Creek?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Nfa 2436 over Gap Creek?

It is owned by the County Highway Agency.