US Bridges

Nfa A783 over Citico Creek

Fair

Hamilton County, Tennessee · In City of Chattanooga · Structure no. 330A7830001

Built
1930
95 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
1,120
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A783 over Citico Creek is a concrete continuous tee beam carrying Nfa A783 over Citico Creek in Hamilton County, Tennessee. It was built in 1930, so it is 95 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 1,120 vehicles a day, roughly 2% of them trucks, projected to reach 1,792 by 2040. The structure is 122 ft (37.2 m) long and 32 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A783
CrossesCitico Creek
LocationIn City of Chattanooga
RouteCity Street 783
CountyHamilton County
StateTennessee
Coordinates35.05288, -85.28696
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length122 ft (37.2 m)
Longest span42 ft (12.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2020)
Projected traffic1,792 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$958,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A783 over Citico Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Nfa A783 over Citico 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 A783 over Citico Creek carry?

About 1,120 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A783 over Citico Creek?

The structure is 122 ft (37.2 m) long with a longest span of 42 ft (12.8 m) and a deck 32 ft wide.

Who owns Nfa A783 over Citico Creek?

It is owned by the City or Municipal Highway Agency.