US Bridges

US 29 MP 102.035 over US 231

Good

Pike County, Alabama · Jct. US 231 in Troy · Structure no. 012157

Built
1979
46 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
285 ft
4 main spans
Daily traffic
4,780
2007 count
Owner
State
State Highway Agency

About this bridge

US 29 MP 102.035 over US 231 is a steel continuous stringer/multi-beam or girder carrying US 29 MP 102.035 over US 231 in Pike County, Alabama. It was built in 1979, so it is 46 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 4,780 vehicles a day, roughly 8% of them trucks, projected to reach 4,818 by 2033. The structure is 285 ft (86.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 29 MP 102.035
CrossesUS 231
LocationJct. US 231 in Troy
RouteU.S. Route 29
StateAlabama
Coordinates31.80573, -85.98813
Functional classUrban Minor Arterial

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length285 ft (86.9 m)
Longest span80 ft (24.4 m)
Deck width52 ft (15.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,780 (2007)
Projected traffic4,818 by 2033
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$3.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 29 MP 102.035 over US 231 built?

It was built in 1979, making it 46 years old in 2025.

What condition is US 29 MP 102.035 over US 231 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 2023.

How much traffic does US 29 MP 102.035 over US 231 carry?

About 4,780 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is US 29 MP 102.035 over US 231?

The structure is 285 ft (86.9 m) long with a longest span of 80 ft (24.4 m) and a deck 52 ft wide.

Who owns US 29 MP 102.035 over US 231?

It is owned by the State Highway Agency.