US Bridges

I40 over Hartford Road (931)

Fair

Cocke County, Tennessee · 1.7 MI E Cherokee Nat Pk · Structure no. 15I00400027

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
29,849
2021 count
Owner
State
State Highway Agency

About this bridge

I40 over Hartford Road (931) is a concrete continuous tee beam carrying I40 over Hartford Road (931) in Cocke County, Tennessee. It was built in 1970, so it is 55 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 29,849 vehicles a day, roughly 6% of them trucks, projected to reach 47,758 by 2042. The structure is 140 ft (42.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI40
CrossesHartford Road (931)
Location1.7 MI E Cherokee Nat Pk
RouteInterstate 40
CountyCocke County
StateTennessee
Coordinates35.84425, -83.18238
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating32.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length140 ft (42.7 m)
Longest span52 ft (15.8 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,849 (2021)
Projected traffic47,758 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$281,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I40 over Hartford Road (931) built?

It was built in 1970, making it 55 years old in 2025.

What condition is I40 over Hartford Road (931) 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 May 2024.

How much traffic does I40 over Hartford Road (931) carry?

About 29,849 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is I40 over Hartford Road (931)?

The structure is 140 ft (42.7 m) long with a longest span of 52 ft (15.8 m) and a deck 46 ft wide.

Who owns I40 over Hartford Road (931)?

It is owned by the State Highway Agency.