US Bridges

Nfa A903 over North Fork Rock Creek

PoorPosted for load

Coffee County, Tennessee · .5 MI from SR 16 · Structure no. 160A5560001

Built
1972
53 years old
Condition
Poor
inspected January 2024
Type
Tee Beam
Concrete
Length
82 ft
2 main spans
Daily traffic
1,780
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A903 over North Fork Rock Creek is a concrete tee beam carrying Nfa A903 over North Fork Rock Creek in Coffee County, Tennessee. It was built in 1972, so it is 53 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,780 vehicles a day, roughly 2% of them trucks, projected to reach 2,848 by 2042. The structure is 82 ft (24.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A903
CrossesNorth Fork Rock Creek
Location.5 MI from SR 16
RouteCounty Highway 903
Coordinates35.35663, -86.21426
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.8 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length82 ft (24.9 m)
Longest span38 ft (11.6 m)
Deck width30 ft (9.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,780 (2020)
Projected traffic2,848 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$331,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A903 over North Fork Rock Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Nfa A903 over North Fork Rock Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Nfa A903 over North Fork Rock Creek carry?

About 1,780 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A903 over North Fork Rock Creek?

The structure is 82 ft (24.9 m) long with a longest span of 38 ft (11.6 m) and a deck 30 ft wide.

Who owns Nfa A903 over North Fork Rock Creek?

It is owned by the City or Municipal Highway Agency.