US Bridges

FAS 1 over Mammys Creek

Fair

Cumberland County, Tennessee · 3.37 Mi.Nwo of Roane Co. · Structure no. 18SR0010013

Built
1928
97 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
42 ft
1 main span
Daily traffic
2,039
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 1 over Mammys Creek is a concrete culvert carrying FAS 1 over Mammys Creek in Cumberland County, Tennessee. It was built in 1928, so it is 97 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 2,039 vehicles a day, roughly 5% of them trucks, projected to reach 2,816 by 2042. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 19.9 mi (32 km).

CarriesFAS 1
CrossesMammys Creek
Location3.37 Mi.Nwo of Roane Co.
RouteU.S. Route 70
Coordinates35.87494, -84.78858
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,039 (2021)
Projected traffic2,816 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 1 over Mammys Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is FAS 1 over Mammys 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 February 2024.

How much traffic does FAS 1 over Mammys Creek carry?

About 2,039 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAS 1 over Mammys Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m).

Who owns FAS 1 over Mammys Creek?

It is owned by the State Highway Agency.