US Bridges

FAP 29 over Overflow

Good

Hamilton County, Tennessee · 0.82 Mi. N of SR-153 Jct. · Structure no. 33SR0290065

Built
1977
48 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
35,016
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 29 over Overflow is a concrete continuous culvert carrying FAP 29 over Overflow in Hamilton County, Tennessee. It was built in 1977, so it is 48 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35,016 vehicles a day, roughly 6% of them trucks, projected to reach 48,077 by 2041. The structure is 28 ft (8.5 m) long and 276 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFAP 29
CrossesOverflow
Location0.82 Mi. N of SR-153 Jct.
RouteU.S. Route 27
Coordinates35.1962, -85.23675
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width276 ft (84.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,016 (2021)
Projected traffic48,077 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-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 over Overflow built?

It was built in 1977, making it 48 years old in 2025.

What condition is FAP 29 over Overflow in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does FAP 29 over Overflow carry?

About 35,016 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 29 over Overflow?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 276 ft wide.

Who owns FAP 29 over Overflow?

It is owned by the State Highway Agency.