US Bridges

SR 42 over Thompson Creek

Good

Perry County, Mississippi · 0.7 MI E SR 15 · Structure no. 310004205608280

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
878 ft
5 main spans
Daily traffic
4,800
2023 count
Owner
State
State Highway Agency

About this bridge

SR 42 over Thompson Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 42 over Thompson Creek in Perry County, Mississippi. It was built in 1999, so it is 26 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 4,800 vehicles a day, roughly 14% of them trucks, projected to reach 4,800 by 2043. The structure is 878 ft (267.5 m) long and 46 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesSR 42
CrossesThompson Creek
Location0.7 MI E SR 15
RouteState Highway 42
Coordinates31.35579, -88.92487
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5 (+9 approach)
Design loadHS 20
Structure length878 ft (267.5 m)
Longest span98 ft (30 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,800 (2023)
Projected traffic4,800 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

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 SR 42 over Thompson Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR 42 over Thompson 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 SR 42 over Thompson Creek carry?

About 4,800 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is SR 42 over Thompson Creek?

The structure is 878 ft (267.5 m) long with a longest span of 98 ft (30 m) and a deck 46 ft wide.

Who owns SR 42 over Thompson Creek?

It is owned by the State Highway Agency.