US Bridges

Ch 8 over Maple Grove Creek

Good

Bureau County, Illinois · 2 MI N of Wyanet · Structure no. 006324800000000

Built
2021
4 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
700
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 8 over Maple Grove Creek is a prestressed concrete stringer/multi-beam or girder carrying Ch 8 over Maple Grove Creek in Bureau County, Illinois. It was built in 2021, so it is 4 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 700 vehicles a day, roughly 11% of them trucks, projected to reach 707 by 2046. The structure is 68 ft (20.7 m) long and 30 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesCh 8
CrossesMaple Grove Creek
Location2 MI N of Wyanet
RouteCounty Highway 0
CountyBureau County
StateIllinois
Coordinates41.39918, -89.58803
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating49.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length68 ft (20.7 m)
Longest span64 ft (19.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2020)
Projected traffic707 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ch 8 over Maple Grove Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Ch 8 over Maple Grove 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 Ch 8 over Maple Grove Creek carry?

About 700 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Ch 8 over Maple Grove Creek?

The structure is 68 ft (20.7 m) long with a longest span of 64 ft (19.5 m) and a deck 30 ft wide.

Who owns Ch 8 over Maple Grove Creek?

It is owned by the County Highway Agency.