US Bridges

FAP 56 over Collins River

Fair

Grundy County, Tennessee · 3 Mi.N.Of Beersheba Sprg. · Structure no. 31SR0560011

Built
1940
85 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
301 ft
7 main spans
Daily traffic
796
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 56 over Collins River is a concrete tee beam carrying FAP 56 over Collins River in Grundy County, Tennessee. It was built in 1940, so it is 85 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 796 vehicles a day, roughly 5% of them trucks, projected to reach 1,072 by 2040. The structure is 301 ft (91.7 m) long and 27 ft wide. If it were closed, the detour would be 65.9 mi (106 km).

Location

Open in Google Maps
CarriesFAP 56
CrossesCollins River
Location3 Mi.N.Of Beersheba Sprg.
RouteState Highway 56
CountyGrundy County
StateTennessee
Coordinates35.47944, -85.64912
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length301 ft (91.7 m)
Longest span43 ft (13.1 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic796 (2021)
Projected traffic1,072 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed65.9 mi (106 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$734,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 56 over Collins River built?

It was built in 1940, making it 85 years old in 2025.

What condition is FAP 56 over Collins River 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 FAP 56 over Collins River carry?

About 796 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 56 over Collins River?

The structure is 301 ft (91.7 m) long with a longest span of 43 ft (13.1 m) and a deck 27 ft wide.

Who owns FAP 56 over Collins River?

It is owned by the State Highway Agency.