US Bridges

CH34 over Sugar Creek

Good

McLean County, Illinois · 3.0 MI W Shirley · Structure no. 057391400000000

Built
1986
39 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
172 ft
3 main spans
Daily traffic
350
2024 count
Owner
County
County Highway Agency

About this bridge

CH34 over Sugar Creek is a steel continuous stringer/multi-beam or girder carrying CH34 over Sugar Creek in McLean County, Illinois. It was built in 1986, so it is 39 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 350 vehicles a day, roughly 23% of them trucks, projected to reach 202 by 2046. The structure is 172 ft (52.5 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCH34
CrossesSugar Creek
Location3.0 MI W Shirley
RouteCounty Highway 0
Coordinates40.40687, -89.11074
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length172 ft (52.5 m)
Longest span65 ft (19.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic202 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 CH34 over Sugar Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is CH34 over Sugar 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 September 2023.

How much traffic does CH34 over Sugar Creek carry?

About 350 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is CH34 over Sugar Creek?

The structure is 172 ft (52.5 m) long with a longest span of 65 ft (19.9 m) and a deck 30 ft wide.

Who owns CH34 over Sugar Creek?

It is owned by the County Highway Agency.