US Bridges

Nfa A788 over Chattanooga Creek

Fair

Hamilton County, Tennessee · In City of Chattanooga · Structure no. 330A7880001

Built
1985
40 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
2,670
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A788 over Chattanooga Creek is a prestressed concrete box beam or girders - multiple carrying Nfa A788 over Chattanooga Creek in Hamilton County, Tennessee. It was built in 1985, so it is 40 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 2,670 vehicles a day, roughly 2% of them trucks, projected to reach 4,272 by 2041. The structure is 84 ft (25.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A788
CrossesChattanooga Creek
LocationIn City of Chattanooga
RouteCity Street 788
CountyHamilton County
StateTennessee
Coordinates34.99035, -85.30138
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span84 ft (25.6 m)
Deck width37 ft (11.4 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,670 (2020)
Projected traffic4,272 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A788 over Chattanooga Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa A788 over Chattanooga 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 A788 over Chattanooga Creek carry?

About 2,670 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A788 over Chattanooga Creek?

The structure is 84 ft (25.6 m) long with a longest span of 84 ft (25.6 m) and a deck 37 ft wide.

Who owns Nfa A788 over Chattanooga Creek?

It is owned by the City or Municipal Highway Agency.