US Bridges

Nfa F003 over Marys Creek

Fair

Shelby County, Tennessee · Pisgah RD - Shelby CO · Structure no. 790A6970001

Built
1965
60 years old, rebuilt 1990
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
119 ft
7 main spans
Daily traffic
1,420
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa F003 over Marys Creek is a prestressed concrete continuous box beam or girders - multiple carrying Nfa F003 over Marys Creek in Shelby County, Tennessee. It was built in 1965 and reconstructed in 1990, so it is 60 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 1,420 vehicles a day, roughly 2% of them trucks, projected to reach 2,272 by 2042. The structure is 119 ft (36.3 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa F003
CrossesMarys Creek
LocationPisgah RD - Shelby CO
RouteCounty Highway 3
Coordinates35.12908, -89.71044
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating26.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckOther
Main spans7
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span17 ft (5.2 m)
Deck width33 ft (10 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,420 (2020)
Projected traffic2,272 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa F003 over Marys Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1990.

What condition is Nfa F003 over Marys 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 May 2023.

How much traffic does Nfa F003 over Marys Creek carry?

About 1,420 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa F003 over Marys Creek?

The structure is 119 ft (36.3 m) long with a longest span of 17 ft (5.2 m) and a deck 33 ft wide.

Who owns Nfa F003 over Marys Creek?

It is owned by the County Highway Agency.