US Bridges

US 61 over ST Catherine Creek

Good

Adams County, Mississippi · 0.6 MI S US 84 West · Structure no. 21000610010416A

Built
1960
65 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
370 ft
3 main spans
Daily traffic
8,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 61 over ST Catherine Creek is a steel continuous stringer/multi-beam or girder carrying US 61 over ST Catherine Creek in Adams 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 8,000 vehicles a day, roughly 10% of them trucks, projected to reach 8,000 by 2043. The structure is 370 ft (112.8 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 61
CrossesST Catherine Creek
Location0.6 MI S US 84 West
RouteU.S. Route 61
Coordinates31.52183, -91.38919
Functional classUrban Other Principal 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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating49.1 US tons
Inventory rating29.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadHS 20
Structure length370 ft (112.8 m)
Longest span210 ft (64 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2023)
Projected traffic8,000 by 2043
Trucks10%
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$960 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 61 over ST Catherine Creek built?

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

What condition is US 61 over ST Catherine 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 June 2024.

How much traffic does US 61 over ST Catherine Creek carry?

About 8,000 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 61 over ST Catherine Creek?

The structure is 370 ft (112.8 m) long with a longest span of 210 ft (64 m) and a deck 31 ft wide.

Who owns US 61 over ST Catherine Creek?

It is owned by the State Highway Agency.