US Bridges

Elbo Porter Road over Apc Railroad

Good

Jefferson County, Alabama · 1.25 MI S Flat Top Road · Structure no. 011243

Built
1974
51 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
375 ft
7 main spans
Daily traffic
2,855
2024 count
Owner
County
County Highway Agency

About this bridge

Elbo Porter Road over Apc Railroad is a steel stringer/multi-beam or girder carrying Elbo Porter Road over Apc Railroad in Jefferson County, Alabama. It was built in 1974, so it is 51 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 2,855 vehicles a day, roughly 10% of them trucks, projected to reach 3,750 by 2044. The structure is 375 ft (114.3 m) long and 33 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesElbo Porter Road
CrossesApc Railroad
Location1.25 MI S Flat Top Road
RouteCounty Highway 45
CountyJefferson County
StateAlabama
Coordinates33.63508, -87.05418
Functional classRural Major Collector

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 inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length375 ft (114.3 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,855 (2024)
Projected traffic3,750 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Elbo Porter Road over Apc Railroad built?

It was built in 1974, making it 51 years old in 2025.

What condition is Elbo Porter Road over Apc 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 December 2024.

How much traffic does Elbo Porter Road over Apc Railroad carry?

About 2,855 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Elbo Porter Road over Apc Railroad?

The structure is 375 ft (114.3 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns Elbo Porter Road over Apc Railroad?

It is owned by the County Highway Agency.