US Bridges

Timberline Drive over Dixie Railroad

Good

Shelby County, Alabama · Timberline Subdivision · Structure no. 020155

Built
2007
18 years old
Condition
Good
inspected September 2024
Type
Channel Beam
Concrete
Length
82 ft
1 main span
Daily traffic
350
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Timberline Drive over Dixie Railroad is a concrete channel beam carrying Timberline Drive over Dixie Railroad in Shelby County, Alabama. It was built in 2007, so it is 18 years old, younger than the Alabama average of 51.1 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 350 vehicles a day, projected to reach 350 by 2044. The structure is 82 ft (25 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesTimberline Drive
CrossesDixie Railroad
LocationTimberline Subdivision
RouteCity Street 0
CountyShelby County
StateAlabama
Coordinates33.09486, -86.72792
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating47 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length82 ft (25 m)
Longest span34 ft (10.4 m)
Deck width37 ft (11.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic350 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$944,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Timberline Drive over Dixie Railroad built?

It was built in 2007, making it 18 years old in 2025.

What condition is Timberline Drive over Dixie Railroad 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 September 2024.

How much traffic does Timberline Drive over Dixie Railroad carry?

About 350 vehicles per day (2024 count).

How long is Timberline Drive over Dixie Railroad?

The structure is 82 ft (25 m) long with a longest span of 34 ft (10.4 m) and a deck 37 ft wide.

Who owns Timberline Drive over Dixie Railroad?

It is owned by the City or Municipal Highway Agency.