US Bridges

Prospect Road over Mill Creek

Good

Perry County, Mississippi · Sec 22 T 4N R11W · Structure no. SA5600000000098

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Channel Beam
Concrete
Length
57 ft
3 main spans
Daily traffic
70
2024 count
Owner
County
County Highway Agency

About this bridge

Prospect Road over Mill Creek is a concrete channel beam carrying Prospect Road over Mill Creek in Perry County, Mississippi. It was built in 2004, so it is 21 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 70 vehicles a day, roughly 8% of them trucks, projected to reach 80 by 2046. The structure is 57 ft (17.4 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesProspect Road
CrossesMill Creek
LocationSec 22 T 4N R11W
RouteCounty Highway 120
Coordinates31.29943, -89.08425
Functional classRural Local

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 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.4 US tons
Inventory rating59.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2024)
Projected traffic80 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Prospect Road over Mill Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Prospect 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 March 2024.

How much traffic does Prospect Road over Mill Creek carry?

About 70 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Prospect Road over Mill Creek?

The structure is 57 ft (17.4 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Prospect Road over Mill Creek?

It is owned by the County Highway Agency.