US Bridges

US 61 over Buffalo River

Good

Wilkinson County, Mississippi · 9.3 MI N SR 24 · Structure no. 21000610790177A

Built
1989
36 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,702 ft
3 main spans
Daily traffic
2,450
2023 count
Owner
State
State Highway Agency

About this bridge

US 61 over Buffalo River is a steel continuous stringer/multi-beam or girder carrying US 61 over Buffalo River in Wilkinson County, Mississippi. It was built in 1989, so it is 36 years old, younger 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 2,450 vehicles a day, roughly 21% of them trucks, projected to reach 2,850 by 2043. The structure is 1,702 ft (518.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 61
CrossesBuffalo River
Location9.3 MI N SR 24
RouteU.S. Route 61
Coordinates31.22946, -91.29735
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+11 approach)
Design loadHS 20
Structure length1,702 ft (518.8 m)
Longest span250 ft (76.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,450 (2023)
Projected traffic2,850 by 2043
Trucks21%
Lanes on structure20
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 61 over Buffalo River built?

It was built in 1989, making it 36 years old in 2025.

What condition is US 61 over Buffalo River 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 July 2024.

How much traffic does US 61 over Buffalo River carry?

About 2,450 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is US 61 over Buffalo River?

The structure is 1,702 ft (518.8 m) long with a longest span of 250 ft (76.2 m) and a deck 43 ft wide.

Who owns US 61 over Buffalo River?

It is owned by the State Highway Agency.