US Bridges

CH-11 over Raccoon Creek

Fair

Lawrence County, Illinois · 5.5 MI SW Bridgeport · Structure no. 051302300000000

Built
1968
57 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
73 ft
3 main spans
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

CH-11 over Raccoon Creek is a concrete channel beam carrying CH-11 over Raccoon Creek in Lawrence County, Illinois. It was built in 1968, so it is 57 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 101 by 2046. The structure is 73 ft (22.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCH-11
CrossesRaccoon Creek
Location5.5 MI SW Bridgeport
RouteCounty Highway 0
Coordinates38.65751, -87.80369
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length73 ft (22.3 m)
Longest span24 ft (7.3 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic101 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-11 over Raccoon Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is CH-11 over Raccoon 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 January 2024.

How much traffic does CH-11 over Raccoon Creek carry?

About 100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is CH-11 over Raccoon Creek?

The structure is 73 ft (22.3 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns CH-11 over Raccoon Creek?

It is owned by the County Highway Agency.