US Bridges

Nfa 1111 (sa 1603) over Bobo Creek

FairPosted for load

Coffee County, Tennessee · 2.1 MI from Mt Vernon · Structure no. 16F00290005

Built
1965
60 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
84 ft
2 main spans
Daily traffic
1,002
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa 1111 (sa 1603) over Bobo Creek is a concrete tee beam carrying Nfa 1111 (sa 1603) over Bobo Creek in Coffee County, Tennessee. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 1,002 vehicles a day, roughly 1% of them trucks, projected to reach 1,120 by 2041. The structure is 84 ft (25.7 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1111 (sa 1603)
CrossesBobo Creek
Location2.1 MI from Mt Vernon
RouteCity Street 1111
CountyCoffee County
StateTennessee
Coordinates35.40587, -86.17845
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length84 ft (25.7 m)
Longest span42 ft (12.9 m)
Deck width27 ft (8.3 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,002 (2021)
Projected traffic1,120 by 2041
Trucks1%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$190,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1111 (sa 1603) over Bobo Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1111 (sa 1603) 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 January 2024.

How much traffic does Nfa 1111 (sa 1603) over Bobo Creek carry?

About 1,002 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Nfa 1111 (sa 1603) over Bobo Creek?

The structure is 84 ft (25.7 m) long with a longest span of 42 ft (12.9 m) and a deck 27 ft wide.

Who owns Nfa 1111 (sa 1603) over Bobo Creek?

It is owned by the City or Municipal Highway Agency.