US Bridges

Nfa 1350 (sa 3016) over Riley Creek

Fair

Greene County, Tennessee · 1.9 M SW of I81-US11E JCT · Structure no. 30S23900001

Built
1941
84 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
2 main spans
Daily traffic
733
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1350 (sa 3016) over Riley Creek is a steel stringer/multi-beam or girder carrying Nfa 1350 (sa 3016) over Riley Creek in Greene County, Tennessee. It was built in 1941, so it is 84 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 733 vehicles a day, roughly 3% of them trucks, projected to reach 1,011 by 2042. The structure is 35 ft (10.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1350 (sa 3016)
CrossesRiley Creek
Location1.9 M SW of I81-US11E JCT
RouteCounty Highway 1350
Coordinates36.19947, -83.05376
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span16 ft (5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic733 (2021)
Projected traffic1,011 by 2042
Trucks3%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$269,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1350 (sa 3016) over Riley Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is Nfa 1350 (sa 3016) over Riley 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 March 2023.

How much traffic does Nfa 1350 (sa 3016) over Riley Creek carry?

About 733 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1350 (sa 3016) over Riley Creek?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (5 m) and a deck 31 ft wide.

Who owns Nfa 1350 (sa 3016) over Riley Creek?

It is owned by the County Highway Agency.