US Bridges

CH-11 over Branch Raccoon Creek

Fair

Lawrence County, Illinois · 5 MI SW Bridgeport · Structure no. 051302400000000

Built
1930
95 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
150
2021 count
Owner
County
County Highway Agency

About this bridge

CH-11 over Branch Raccoon Creek is a concrete slab carrying CH-11 over Branch Raccoon Creek in Lawrence County, Illinois. It was built in 1930, so it is 95 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 152 by 2046. The structure is 30 ft (9.1 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCH-11
CrossesBranch Raccoon Creek
Location5 MI SW Bridgeport
RouteCounty Highway 0
Coordinates38.65744, -87.79578
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2021)
Projected traffic152 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 Branch Raccoon Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is CH-11 over Branch 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 Branch Raccoon Creek carry?

About 150 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is CH-11 over Branch Raccoon Creek?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 22 ft wide.

Who owns CH-11 over Branch Raccoon Creek?

It is owned by the County Highway Agency.