US Bridges

US 49 over SR 13

Fair

Simpson County, Mississippi · US 49 over SR 13 · Structure no. 21000490641274A

Built
1961
64 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
156 ft
3 main spans
Daily traffic
10,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 49 over SR 13 is a prestressed concrete stringer/multi-beam or girder carrying US 49 over SR 13 in Simpson 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,500 vehicles a day, roughly 24% of them trucks, projected to reach 13,500 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).

Location

Open in Google Maps
CarriesUS 49
CrossesSR 13
LocationUS 49 over SR 13
RouteU.S. Route 49
CountySimpson County
StateMississippi
Coordinates31.98126, -89.87256
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.9 US tons
Inventory rating30.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
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 traffic10,500 (2023)
Projected traffic13,500 by 2043
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$397 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 49 over SR 13 built?

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

What condition is US 49 over SR 13 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does US 49 over SR 13 carry?

About 10,500 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US 49 over SR 13?

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 US 49 over SR 13?

It is owned by the State Highway Agency.