US Bridges

FAP 99 over Big Bigby Creek

Fair

Maury County, Tennessee · 5.14 Mi.E. Jct. FAS 6199 · Structure no. 60SR0990015

Built
1948
77 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
329 ft
10 main spans
Daily traffic
4,055
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 99 over Big Bigby Creek is a concrete tee beam carrying FAP 99 over Big Bigby Creek in Maury County, Tennessee. It was built in 1948, so it is 77 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 4,055 vehicles a day, roughly 10% of them trucks, projected to reach 8,560 by 2040. The structure is 329 ft (100.3 m) long and 32 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

CarriesFAP 99
CrossesBig Bigby Creek
Location5.14 Mi.E. Jct. FAS 6199
RouteState Highway 99
Coordinates35.61747, -87.20982
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length329 ft (100.3 m)
Longest span43 ft (13.1 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,055 (2021)
Projected traffic8,560 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.8 mi (114 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.4 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 99 over Big Bigby Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is FAP 99 over Big Bigby 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 2024.

How much traffic does FAP 99 over Big Bigby Creek carry?

About 4,055 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 99 over Big Bigby Creek?

The structure is 329 ft (100.3 m) long with a longest span of 43 ft (13.1 m) and a deck 32 ft wide.

Who owns FAP 99 over Big Bigby Creek?

It is owned by the State Highway Agency.