US Bridges

FAS 1 over Robertson Creek

Fair

Madison County, Tennessee · 8.45 Mi. West of Jackson · Structure no. 57SR0010003

Built
1925
100 years old, rebuilt 1994
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
45 ft
2 main spans
Daily traffic
2,836
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 1 over Robertson Creek is a concrete tee beam carrying FAS 1 over Robertson Creek in Madison County, Tennessee. It was built in 1925 and reconstructed in 1994, so it is 100 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.

It carries about 2,836 vehicles a day, roughly 5% of them trucks, projected to reach 4,363 by 2041. The structure is 45 ft (13.6 m) long and 34 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesFAS 1
CrossesRobertson Creek
Location8.45 Mi. West of Jackson
RouteU.S. Route 70
CountyMadison County
StateTennessee
Coordinates35.60658, -89.02456
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length45 ft (13.6 m)
Longest span23 ft (6.9 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,836 (2021)
Projected traffic4,363 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

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$152,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 1 over Robertson Creek built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1994.

What condition is FAS 1 over Robertson 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 FAS 1 over Robertson Creek carry?

About 2,836 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 1 over Robertson Creek?

The structure is 45 ft (13.6 m) long with a longest span of 23 ft (6.9 m) and a deck 34 ft wide.

Who owns FAS 1 over Robertson Creek?

It is owned by the State Highway Agency.