US Bridges

C H 31 over Branch of Crow Creek

Fair

Bureau County, Illinois · 6.0 MI E Bradford · Structure no. 006500600000000

Built
1958
67 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
425
2023 count
Owner
County
County Highway Agency

About this bridge

C H 31 over Branch of Crow Creek is a concrete continuous culvert carrying C H 31 over Branch of Crow Creek in Bureau County, Illinois. It was built in 1958, so it is 67 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 425 vehicles a day, roughly 38% of them trucks, projected to reach 328 by 2046. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesC H 31
CrossesBranch of Crow Creek
Location6.0 MI E Bradford
RouteCounty Highway 0
CountyBureau County
StateIllinois
Coordinates41.18182, -89.54826
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 15
Structure length33 ft (10.1 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 traffic425 (2023)
Projected traffic328 by 2046
Trucks38%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 C H 31 over Branch of Crow Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is C H 31 over Branch of Crow Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does C H 31 over Branch of Crow Creek carry?

About 425 vehicles per day (2023 count), of which roughly 38% are trucks.

How long is C H 31 over Branch of Crow Creek?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns C H 31 over Branch of Crow Creek?

It is owned by the County Highway Agency.