US Bridges

Nfa 934 (sa 5004) over Grandaddy Creek

Fair

Lawrence County, Tennessee · 5.S M. Nw. Lawrenceburg. · Structure no. 50S62330001

Built
1985
40 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
755
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 934 (sa 5004) over Grandaddy Creek is a concrete continuous culvert carrying Nfa 934 (sa 5004) over Grandaddy Creek in Lawrence County, Tennessee. It was built in 1985, so it is 40 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 755 vehicles a day, roughly 6% of them trucks, projected to reach 1,245 by 2041. The structure is 46 ft (14.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 934 (sa 5004)
CrossesGrandaddy Creek
Location5.S M. Nw. Lawrenceburg.
RouteCounty Highway 934
Coordinates35.27083, -87.46398
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length46 ft (14.1 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic755 (2021)
Projected traffic1,245 by 2041
Trucks6%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 934 (sa 5004) over Grandaddy Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa 934 (sa 5004) over Grandaddy 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 April 2023.

How much traffic does Nfa 934 (sa 5004) over Grandaddy Creek carry?

About 755 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Nfa 934 (sa 5004) over Grandaddy Creek?

The structure is 46 ft (14.1 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa 934 (sa 5004) over Grandaddy Creek?

It is owned by the County Highway Agency.