US Bridges

FAS 317 over Poe Branch

Fair

Hamilton County, Tennessee · 1.04 MI W of I-75 Jct. · Structure no. 33SR0022003

Built
1930
95 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
17,997
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 317 over Poe Branch is a concrete continuous culvert carrying FAS 317 over Poe Branch in Hamilton 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 17,997 vehicles a day, roughly 9% of them trucks, projected to reach 28,096 by 2041. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesFAS 317
CrossesPoe Branch
Location1.04 MI W of I-75 Jct.
RouteState Highway 317
Coordinates35.06915, -85.14855
Functional classUrban Other Principal 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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
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 typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,997 (2021)
Projected traffic28,096 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemYes

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$250,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 317 over Poe Branch built?

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

What condition is FAS 317 over Poe 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 October 2024.

How much traffic does FAS 317 over Poe Branch carry?

About 17,997 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAS 317 over Poe Branch?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m).

Who owns FAS 317 over Poe Branch?

It is owned by the State Highway Agency.