US Bridges

Old HWY 11 over I 59

Good

Lamar County, Mississippi · 6.7 MI N SR 13 · Structure no. 410005903704790

Built
1961
64 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
348 ft
2 main spans
Daily traffic
300
2023 count
Owner
State
State Highway Agency

About this bridge

Old HWY 11 over I 59 is a prestressed concrete stringer/multi-beam or girder carrying Old HWY 11 over I 59 in Lamar County, Mississippi. It was built in 1961, so it is 64 years old, older than the Mississippi average of 38.9 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 300 vehicles a day, roughly 8% of them trucks, projected to reach 300 by 2043. The structure is 348 ft (106.1 m) long and 29 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesOld HWY 11
CrossesI 59
Location6.7 MI N SR 13
RouteCounty Highway 0
Coordinates31.09457, -89.381
Functional classRural Local

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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating30.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadH 15
Structure length348 ft (106.1 m)
Longest span71 ft (21.6 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic300 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed19.9 mi (32 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$623 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old HWY 11 over I 59 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Old HWY 11 over I 59 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 Old HWY 11 over I 59 carry?

About 300 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Old HWY 11 over I 59?

The structure is 348 ft (106.1 m) long with a longest span of 71 ft (21.6 m) and a deck 29 ft wide.

Who owns Old HWY 11 over I 59?

It is owned by the State Highway Agency.