US Bridges

Nfa A898 over Bobo Creek

Fair

Coffee County, Tennessee · 3 MI from Mt Vernon · Structure no. 160A3190001

Built
1950
75 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
940
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A898 over Bobo Creek is a concrete continuous culvert carrying Nfa A898 over Bobo Creek in Coffee County, Tennessee. It was built in 1950, so it is 75 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 940 vehicles a day, roughly 1% of them trucks, projected to reach 1,504 by 2040. The structure is 38 ft (11.5 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A898
CrossesBobo Creek
Location3 MI from Mt Vernon
RouteCounty Highway 898
CountyCoffee County
StateTennessee
Coordinates35.39364, -86.1823
Functional classUrban Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length38 ft (11.5 m)
Longest span15 ft (4.6 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2020)
Projected traffic1,504 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$161,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A898 over Bobo Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A898 over Bobo 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 2024.

How much traffic does Nfa A898 over Bobo Creek carry?

About 940 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Nfa A898 over Bobo Creek?

The structure is 38 ft (11.5 m) long with a longest span of 15 ft (4.6 m) and a deck 22 ft wide.

Who owns Nfa A898 over Bobo Creek?

It is owned by the County Highway Agency.