US Bridges

Nfa 905 (sa 2009) over Morgan Creek

Fair

Decatur County, Tennessee · 2.8 MI SE JCT I40&SR69 · Structure no. 20F00080003

Built
1991
34 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
46 ft
2 main spans
Daily traffic
269
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 905 (sa 2009) over Morgan Creek is a concrete continuous culvert carrying Nfa 905 (sa 2009) over Morgan Creek in Decatur County, Tennessee. It was built in 1991, so it is 34 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 269 vehicles a day, roughly 3% of them trucks, projected to reach 430 by 2042. The structure is 46 ft (14 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa 905 (sa 2009)
CrossesMorgan Creek
Location2.8 MI SE JCT I40&SR69
RouteCounty Highway 905
Coordinates35.81608, -88.04939
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum 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 spans2
Design loadHS 20
Structure length46 ft (14 m)
Longest span21 ft (6.5 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic269 (2021)
Projected traffic430 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 905 (sa 2009) over Morgan Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa 905 (sa 2009) over Morgan 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 January 2024.

How much traffic does Nfa 905 (sa 2009) over Morgan Creek carry?

About 269 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 905 (sa 2009) over Morgan Creek?

The structure is 46 ft (14 m) long with a longest span of 21 ft (6.5 m) and a deck 31 ft wide.

Who owns Nfa 905 (sa 2009) over Morgan Creek?

It is owned by the County Highway Agency.