US Bridges

Ill 251 over Sandy Creek

Good

Marshall County, Illinois · 1.85 MI S of Ill 18 · Structure no. 062007100000000

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
700
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 251 over Sandy Creek is a concrete continuous slab carrying Ill 251 over Sandy Creek in Marshall County, Illinois. It was built in 2009, so it is 16 years old, younger 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 700 vehicles a day, roughly 5% of them trucks, projected to reach 859 by 2046. The structure is 75 ft (23 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIll 251
CrossesSandy Creek
Location1.85 MI S of Ill 18
RouteState Highway 251
Coordinates41.0919, -89.06681
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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length75 ft (23 m)
Longest span26 ft (7.8 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic859 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ill 251 over Sandy Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ill 251 over Sandy 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 August 2023.

How much traffic does Ill 251 over Sandy Creek carry?

About 700 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ill 251 over Sandy Creek?

The structure is 75 ft (23 m) long with a longest span of 26 ft (7.8 m) and a deck 36 ft wide.

Who owns Ill 251 over Sandy Creek?

It is owned by the State Highway Agency.