US Bridges

FAP 29 over SR 8 Signal Mtn.Blvd.

Good

Hamilton County, Tennessee · SR-29 / SR-8 Jct. · Structure no. 33FA0271015

Built
1962
63 years old, rebuilt 1982
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
166 ft
2 main spans
Daily traffic
48,148
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 29 over SR 8 Signal Mtn.Blvd. is a steel continuous stringer/multi-beam or girder carrying FAP 29 over SR 8 Signal Mtn.Blvd. in Hamilton County, Tennessee. It was built in 1962 and reconstructed in 1982, so it is 63 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 48,148 vehicles a day, roughly 6% of them trucks, projected to reach 88,832 by 2041. The structure is 166 ft (50.6 m) long and 120 ft wide.

Location

Open in Google Maps
CarriesFAP 29
CrossesSR 8 Signal Mtn.Blvd.
LocationSR-29 / SR-8 Jct.
RouteU.S. Route 27
CountyHamilton County
StateTennessee
Coordinates35.08468, -85.32333
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length166 ft (50.6 m)
Longest span88 ft (26.8 m)
Deck width120 ft (36.6 m)
Roadway width115 ft (34.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,148 (2021)
Projected traffic88,832 by 2041
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 29 over SR 8 Signal Mtn.Blvd. built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1982.

What condition is FAP 29 over SR 8 Signal Mtn.Blvd. 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 SR 8 Signal Mtn.Blvd. carry?

About 48,148 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 29 over SR 8 Signal Mtn.Blvd.?

The structure is 166 ft (50.6 m) long with a longest span of 88 ft (26.8 m) and a deck 120 ft wide.

Who owns FAP 29 over SR 8 Signal Mtn.Blvd.?

It is owned by the State Highway Agency.