US Bridges

Ramp Nws over SR-29 Ex Rp / SR-8

Good

Hamilton County, Tennessee · JCT of SR 8-SR 29 · Structure no. 33FA0271011

Built
2013
12 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
166 ft
2 main spans
Daily traffic
48,148
2021 count
Owner
State
State Highway Agency

About this bridge

Ramp Nws over SR-29 Ex Rp / SR-8 is a steel stringer/multi-beam or girder carrying Ramp Nws over SR-29 Ex Rp / SR-8 in Hamilton County, Tennessee. It was built in 2013, so it is 12 years old, younger 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 5,600 by 2041. The structure is 166 ft (50.5 m) long and 48 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

CarriesRamp Nws
CrossesSR-29 Ex Rp / SR-8
LocationJCT of SR 8-SR 29
RouteU.S. Route 27
Coordinates35.08435, -85.32152
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length166 ft (50.5 m)
Longest span94 ft (28.6 m)
Deck width48 ft (14.7 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,148 (2021)
Projected traffic5,600 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed4.3 mi (7 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp Nws over SR-29 Ex Rp / SR-8 built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ramp Nws over SR-29 Ex Rp / SR-8 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 Ramp Nws over SR-29 Ex Rp / SR-8 carry?

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

How long is Ramp Nws over SR-29 Ex Rp / SR-8?

The structure is 166 ft (50.5 m) long with a longest span of 94 ft (28.6 m) and a deck 48 ft wide.

Who owns Ramp Nws over SR-29 Ex Rp / SR-8?

It is owned by the State Highway Agency.