US Bridges

Nfa A746 over Pigeon Roost Creek

FairPosted for load

Putnam County, Tennessee · South Creek RD near HW111 · Structure no. 710A7460001

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
4,930
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A746 over Pigeon Roost Creek is a steel stringer/multi-beam or girder carrying Nfa A746 over Pigeon Roost Creek in Putnam 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. Its operating status is: posted for load restriction.

It carries about 4,930 vehicles a day, roughly 4% of them trucks, projected to reach 7,888 by 2042. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNfa A746
CrossesPigeon Roost Creek
LocationSouth Creek RD near HW111
RouteCity Street 746
CountyPutnam County
StateTennessee
Coordinates36.0963, -85.50712
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.8 US tons
Inventory rating12.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span31 ft (9.4 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,930 (2020)
Projected traffic7,888 by 2042
Trucks4%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$692,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A746 over Pigeon Roost Creek built?

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

What condition is Nfa A746 over Pigeon Roost 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 A746 over Pigeon Roost Creek carry?

About 4,930 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A746 over Pigeon Roost Creek?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns Nfa A746 over Pigeon Roost Creek?

It is owned by the City or Municipal Highway Agency.