US Bridges

US 49 over Dabbs Creek

Good

Simpson County, Mississippi · 4.3 MI N SR 13 · Structure no. 21000490641318A

Built
1962
63 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
8 main spans
Daily traffic
12,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 49 over Dabbs Creek is a prestressed concrete stringer/multi-beam or girder carrying US 49 over Dabbs Creek in Simpson County, Mississippi. It was built in 1962, so it is 63 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 12,000 vehicles a day, roughly 22% of them trucks, projected to reach 15,500 by 2043. The structure is 310 ft (94.5 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 49
CrossesDabbs Creek
Location4.3 MI N SR 13
RouteU.S. Route 49
Coordinates32.01199, -89.93704
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating34.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span41 ft (12.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2023)
Projected traffic15,500 by 2043
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$500 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 49 over Dabbs Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is US 49 over Dabbs Creek 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 May 2023.

How much traffic does US 49 over Dabbs Creek carry?

About 12,000 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is US 49 over Dabbs Creek?

The structure is 310 ft (94.5 m) long with a longest span of 41 ft (12.5 m) and a deck 31 ft wide.

Who owns US 49 over Dabbs Creek?

It is owned by the State Highway Agency.