US Bridges

Ch 3 (CH-S42) over N Branch Crow Creek

Poor

Marshall County, Illinois · T29N-R1W-3PM Sec 21 · Structure no. 062376000000000

Built
1959
66 years old
Condition
Poor
inspected April 2023
Type
Slab
Concrete Continuous
Length
118 ft
3 main spans
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 3 (CH-S42) over N Branch Crow Creek is a concrete continuous slab carrying Ch 3 (CH-S42) over N Branch Crow Creek in Marshall County, Illinois. It was built in 1959, so it is 66 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 75 vehicles a day, roughly 51% of them trucks, projected to reach 76 by 2046. The structure is 118 ft (36 m) long and 28 ft wide.

CarriesCh 3 (CH-S42)
CrossesN Branch Crow Creek
LocationT29N-R1W-3PM Sec 21
RouteCounty Highway 0
Coordinates40.96733, -89.23796
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length118 ft (36 m)
Longest span46 ft (13.9 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic76 by 2046
Trucks51%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 3 (CH-S42) over N Branch Crow Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Ch 3 (CH-S42) over N Branch Crow Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does Ch 3 (CH-S42) over N Branch Crow Creek carry?

About 75 vehicles per day (2024 count), of which roughly 51% are trucks.

How long is Ch 3 (CH-S42) over N Branch Crow Creek?

The structure is 118 ft (36 m) long with a longest span of 46 ft (13.9 m) and a deck 28 ft wide.

Who owns Ch 3 (CH-S42) over N Branch Crow Creek?

It is owned by the County Highway Agency.