US Bridges

Nfa D836 over Possum Creek

FairPosted for load

Hamilton County, Tennessee · .3 MI East of US 27 · Structure no. 330D8360001

Built
1955
70 years old
Condition
Fair
inspected January 2024
Type
Girder and Floorbeam System
Steel
Length
88 ft
1 main span
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa D836 over Possum Creek is a steel girder and floorbeam system carrying Nfa D836 over Possum Creek in Hamilton County, Tennessee. It was built in 1955, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 2% of them trucks, projected to reach 240 by 2042. The structure is 88 ft (26.8 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa D836
CrossesPossum Creek
Location.3 MI East of US 27
RouteCounty Highway 836
CountyHamilton County
StateTennessee
Coordinates35.33873, -85.12357
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length88 ft (26.8 m)
Longest span82 ft (25 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic240 by 2042
Trucks2%
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$254,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa D836 over Possum Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa D836 over Possum 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 January 2024.

How much traffic does Nfa D836 over Possum Creek carry?

About 150 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa D836 over Possum Creek?

The structure is 88 ft (26.8 m) long with a longest span of 82 ft (25 m) and a deck 24 ft wide.

Who owns Nfa D836 over Possum Creek?

It is owned by the County Highway Agency.