US Bridges

Nfa 1615 (sa 3508) over Muddy Creek

FairPosted for load

Hardeman County, Tennessee · 3 MI W of Mcnairy Co. · Structure no. 35016150001

Built
1972
53 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
110 ft
3 main spans
Daily traffic
202
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1615 (sa 3508) over Muddy Creek is a concrete channel beam carrying Nfa 1615 (sa 3508) over Muddy Creek in Hardeman County, Tennessee. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 202 vehicles a day, roughly 3% of them trucks, projected to reach 320 by 2041. The structure is 110 ft (33.6 m) long and 22 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesNfa 1615 (sa 3508)
CrossesMuddy Creek
Location3 MI W of Mcnairy Co.
RouteCounty Highway 1615
CountyHardeman County
StateTennessee
Coordinates35.07306, -88.81903
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length110 ft (33.6 m)
Longest span63 ft (19.2 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic202 (2021)
Projected traffic320 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$373,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1615 (sa 3508) over Muddy Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Nfa 1615 (sa 3508) over Muddy 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 1615 (sa 3508) over Muddy Creek carry?

About 202 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1615 (sa 3508) over Muddy Creek?

The structure is 110 ft (33.6 m) long with a longest span of 63 ft (19.2 m) and a deck 22 ft wide.

Who owns Nfa 1615 (sa 3508) over Muddy Creek?

It is owned by the County Highway Agency.