US Bridges

Nfa A611 (sa 5912) over Belfast Creek

Fair

Marshall County, Tennessee · 3.9 MI SW JCT SR50&SR272 · Structure no. 59S62580005

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
84 ft
4 main spans
Daily traffic
1,520
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A611 (sa 5912) over Belfast Creek is a concrete continuous slab carrying Nfa A611 (sa 5912) over Belfast Creek in Marshall County, Tennessee. It was built in 1983, so it is 42 years old, younger 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 1,520 vehicles a day, roughly 1% of them trucks, projected to reach 2,432 by 2041. The structure is 84 ft (25.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A611 (sa 5912)
CrossesBelfast Creek
Location3.9 MI SW JCT SR50&SR272
RouteCounty Highway 611
CountyMarshall County
StateTennessee
Coordinates35.44393, -86.71419
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,520 (2020)
Projected traffic2,432 by 2041
Trucks1%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$643,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A611 (sa 5912) over Belfast Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Nfa A611 (sa 5912) over Belfast 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 July 2024.

How much traffic does Nfa A611 (sa 5912) over Belfast Creek carry?

About 1,520 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A611 (sa 5912) over Belfast Creek?

The structure is 84 ft (25.6 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns Nfa A611 (sa 5912) over Belfast Creek?

It is owned by the County Highway Agency.