US Bridges

W.Union Road over Mill Creek

Good

Pearl River County, Mississippi · Sec 18 T 5S R16W B · Structure no. SA5500000000119

Built
1986
39 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
39 ft
2 main spans
Daily traffic
3,800
2024 count
Owner
County
County Highway Agency

About this bridge

W.Union Road over Mill Creek is a concrete culvert carrying W.Union Road over Mill Creek in Pearl River County, Mississippi. It was built in 1986, so it is 39 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 3,800 vehicles a day, roughly 8% of them trucks, projected to reach 4,280 by 2046. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesW.Union Road
CrossesMill Creek
LocationSec 18 T 5S R16W B
RouteCounty Highway 136
Coordinates30.61024, -89.64011
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 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 alignment8: Equal to present desirable criteria
Operating rating59.1 US tons
Inventory rating35.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length39 ft (11.9 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2024)
Projected traffic4,280 by 2046
Trucks8%
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 W.Union Road over Mill Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is W.Union Road over Mill 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 April 2024.

How much traffic does W.Union Road over Mill Creek carry?

About 3,800 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is W.Union Road over Mill Creek?

The structure is 39 ft (11.9 m) long with a longest span of 18 ft (5.5 m).

Who owns W.Union Road over Mill Creek?

It is owned by the County Highway Agency.