US Bridges

Unionville Road over Crenshaw Creek

Good

Massac County, Illinois · 3.75 MI E US45 · Structure no. 064304900000000

Built
1956
69 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
1,150
2020 count
Owner
County
County Highway Agency

About this bridge

Unionville Road over Crenshaw Creek is a concrete culvert carrying Unionville Road over Crenshaw Creek in Massac County, Illinois. It was built in 1956, so it is 69 years old, older than the Illinois average of 45.3 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 1,150 vehicles a day, roughly 9% of them trucks, projected to reach 1,162 by 2046. The structure is 34 ft (10.4 m) long.

CarriesUnionville Road
CrossesCrenshaw Creek
Location3.75 MI E US45
RouteCounty Highway 0
Coordinates37.12241, -88.56335
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2020)
Projected traffic1,162 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Unionville Road over Crenshaw Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is Unionville Road over Crenshaw 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 Unionville Road over Crenshaw Creek carry?

About 1,150 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Unionville Road over Crenshaw Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns Unionville Road over Crenshaw Creek?

It is owned by the County Highway Agency.