US Bridges

Caledonia Road over Running Slough

Good

Monroe County, Mississippi · Sec 31 T15S R17W B · Structure no. SA4800000000144

Built
1993
32 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
790
2024 count
Owner
County
County Highway Agency

About this bridge

Caledonia Road over Running Slough is a concrete culvert carrying Caledonia Road over Running Slough in Monroe County, Mississippi. It was built in 1993, so it is 32 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 790 vehicles a day, roughly 10% of them trucks, projected to reach 1,185 by 2043. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCaledonia Road
CrossesRunning Slough
LocationSec 31 T15S R17W B
RouteCounty Highway 1613
Coordinates33.7191, -88.35054
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating59.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2024)
Projected traffic1,185 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Caledonia Road over Running Slough built?

It was built in 1993, making it 32 years old in 2025.

What condition is Caledonia Road over Running Slough 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 February 2024.

How much traffic does Caledonia Road over Running Slough carry?

About 790 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Caledonia Road over Running Slough?

The structure is 34 ft (10.3 m) long with a longest span of 16 ft (4.9 m).

Who owns Caledonia Road over Running Slough?

It is owned by the County Highway Agency.