US Bridges

FAP 29 Sbl over N. Chickamauga Creek

Fair

Hamilton County, Tennessee · 2.52 Mi. N of SR-153 Jct. · Structure no. 33SR0290070

Built
1975
50 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
304 ft
4 main spans
Daily traffic
35,457
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 29 Sbl over N. Chickamauga Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 29 Sbl over N. Chickamauga Creek in Hamilton County, Tennessee. It was built in 1975, so it is 50 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 35,457 vehicles a day, roughly 7% of them trucks, projected to reach 50,557 by 2041. The structure is 304 ft (92.7 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesFAP 29 Sbl
CrossesN. Chickamauga Creek
Location2.52 Mi. N of SR-153 Jct.
RouteU.S. Route 27
CountyHamilton County
StateTennessee
Coordinates35.21432, -85.2167
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length304 ft (92.7 m)
Longest span77 ft (23.5 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,457 (2021)
Projected traffic50,557 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP 29 Sbl over N. Chickamauga Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is FAP 29 Sbl over N. Chickamauga 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 November 2024.

How much traffic does FAP 29 Sbl over N. Chickamauga Creek carry?

About 35,457 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAP 29 Sbl over N. Chickamauga Creek?

The structure is 304 ft (92.7 m) long with a longest span of 77 ft (23.5 m) and a deck 44 ft wide.

Who owns FAP 29 Sbl over N. Chickamauga Creek?

It is owned by the State Highway Agency.