US Bridges

US 61 over ST Catherine Creek

Fair

Adams County, Mississippi · 2.8 MI S US 84 East · Structure no. 21000610010452A

Built
1955
70 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
549 ft
5 main spans
Daily traffic
15,000
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 1955, so it is 70 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 6 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 15,000 vehicles a day, roughly 9% of them trucks, projected to reach 15,000 by 2043. The structure is 549 ft (167.3 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 61
CrossesST Catherine Creek
Location2.8 MI S US 84 East
RouteU.S. Route 61
CountyAdams County
StateMississippi
Coordinates31.56153, -91.35967
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5 (+4 approach)
Design loadHS 15
Structure length549 ft (167.3 m)
Longest span95 ft (29 m)
Deck width32 ft (9.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2023)
Projected traffic15,000 by 2043
Trucks9%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 61 over ST Catherine Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is US 61 over ST Catherine Creek 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 June 2024.

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

About 15,000 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 61 over ST Catherine Creek?

The structure is 549 ft (167.3 m) long with a longest span of 95 ft (29 m) and a deck 32 ft wide.

Who owns US 61 over ST Catherine Creek?

It is owned by the State Highway Agency.