US Bridges

Cayce Road over Relief Coldwater River

Good

Marshall County, Mississippi · Sec 15 T 2S R 4W B · Structure no. SA4700000000039

Built
1985
40 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
6 main spans
Daily traffic
3,600
2021 count
Owner
County
County Highway Agency

About this bridge

Cayce Road over Relief Coldwater River is a prestressed concrete stringer/multi-beam or girder carrying Cayce Road over Relief Coldwater River in Marshall County, Mississippi. It was built in 1985, so it is 40 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 3,600 vehicles a day, roughly 12% of them trucks, projected to reach 5,400 by 2041. The structure is 240 ft (73.2 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCayce Road
CrossesRelief Coldwater River
LocationSec 15 T 2S R 4W B
RouteCounty Highway 915
Coordinates34.91135, -89.61704
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2021)
Projected traffic5,400 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Cayce Road over Relief Coldwater River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Cayce Road over Relief Coldwater 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 March 2023.

How much traffic does Cayce Road over Relief Coldwater River carry?

About 3,600 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Cayce Road over Relief Coldwater River?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Cayce Road over Relief Coldwater River?

It is owned by the County Highway Agency.