US Bridges

SR 13 over SR 149

Good

Simpson County, Mississippi · SR 13 over SR 149 · Structure no. 310001306409910

Built
1960
65 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
156 ft
3 main spans
Daily traffic
4,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR 13 over SR 149 is a prestressed concrete stringer/multi-beam or girder carrying SR 13 over SR 149 in Simpson County, Mississippi. It was built in 1960, so it is 65 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 4,800 vehicles a day, roughly 14% of them trucks, projected to reach 4,800 by 2043. The structure is 156 ft (47.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 13
CrossesSR 149
LocationSR 13 over SR 149
RouteState Highway 13
Coordinates31.9665, -89.88472
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
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 alignment8: Equal to present desirable criteria
Operating rating77.9 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span51 ft (15.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2023)
Projected traffic4,800 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 13 over SR 149 built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 13 over SR 149 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 April 2023.

How much traffic does SR 13 over SR 149 carry?

About 4,800 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 13 over SR 149?

The structure is 156 ft (47.5 m) long with a longest span of 51 ft (15.5 m) and a deck 31 ft wide.

Who owns SR 13 over SR 149?

It is owned by the State Highway Agency.