US Bridges

Ch 51 over Walbridge Creek

Good

LaSalle County, Illinois · 1.5 MI W of Ch 15 · Structure no. 050361500000000

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Frame
Concrete
Length
38 ft
1 main span
Daily traffic
1,300
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 51 over Walbridge Creek is a concrete frame carrying Ch 51 over Walbridge Creek in LaSalle County, Illinois. It was built in 2013, so it is 12 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,300 vehicles a day, roughly 6% of them trucks, projected to reach 1,313 by 2046. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCh 51
CrossesWalbridge Creek
Location1.5 MI W of Ch 15
RouteCounty Highway 0
Coordinates41.33324, -88.73609
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
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length38 ft (11.7 m)
Longest span36 ft (11 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2020)
Projected traffic1,313 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Ch 51 over Walbridge Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ch 51 over Walbridge 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 Ch 51 over Walbridge Creek carry?

About 1,300 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Ch 51 over Walbridge Creek?

The structure is 38 ft (11.7 m) long with a longest span of 36 ft (11 m).

Who owns Ch 51 over Walbridge Creek?

It is owned by the County Highway Agency.