US Bridges

Ch 11 over Indian Creek

Fair

Menard County, Illinois · 2.5 MI N Athens · Structure no. 065301600000000

Built
1953
72 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
32 ft
1 main span
Daily traffic
175
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 11 over Indian Creek is a concrete slab carrying Ch 11 over Indian Creek in Menard County, Illinois. It was built in 1953, so it is 72 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 175 vehicles a day, roughly 23% of them trucks, projected to reach 177 by 2046. The structure is 32 ft (9.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCh 11
CrossesIndian Creek
Location2.5 MI N Athens
RouteCounty Highway 0
Coordinates40.0046, -89.70979
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2020)
Projected traffic177 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Indian Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is Ch 11 over Indian 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 Ch 11 over Indian Creek carry?

About 175 vehicles per day (2020 count), of which roughly 23% are trucks.

How long is Ch 11 over Indian Creek?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Ch 11 over Indian Creek?

It is owned by the County Highway Agency.