US Bridges

Nfa 863 (sa 3503) over Spring Creek

Fair

Hardeman County, Tennessee · 3.7 MI N of SR57 · Structure no. 35S82520003

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
331
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 863 (sa 3503) over Spring Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa 863 (sa 3503) over Spring Creek in Hardeman 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 6 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 331 vehicles a day, roughly 3% of them trucks, projected to reach 496 by 2040. The structure is 150 ft (45.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 863 (sa 3503)
CrossesSpring Creek
Location3.7 MI N of SR57
RouteCounty Highway 863
CountyHardeman County
StateTennessee
Coordinates35.10188, -89.08295
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic331 (2021)
Projected traffic496 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 863 (sa 3503) over Spring Creek built?

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

What condition is Nfa 863 (sa 3503) over Spring 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 August 2024.

How much traffic does Nfa 863 (sa 3503) over Spring Creek carry?

About 331 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 863 (sa 3503) over Spring Creek?

The structure is 150 ft (45.7 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns Nfa 863 (sa 3503) over Spring Creek?

It is owned by the County Highway Agency.