US Bridges

C.H. 11 over Flatville Drainage D

Fair

Champaign County, Illinois · W Side of Flatville · Structure no. 010456800000000

Built
2014
11 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
93 ft
3 main spans
Daily traffic
1,100
2022 count
Owner
County
County Highway Agency

About this bridge

C.H. 11 over Flatville Drainage D is a concrete slab carrying C.H. 11 over Flatville Drainage D in Champaign County, Illinois. It was built in 2014, so it is 11 years old, younger 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 1,100 vehicles a day, roughly 9% of them trucks, projected to reach 1,212 by 2046. The structure is 93 ft (28.2 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesC.H. 11
CrossesFlatville Drainage D
LocationW Side of Flatville
RouteCounty Highway 0
CountyChampaign County
StateIllinois
Coordinates40.2395, -88.06204
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 25 or greater
Structure length93 ft (28.2 m)
Longest span43 ft (13.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,212 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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. 11 over Flatville Drainage D built?

It was built in 2014, making it 11 years old in 2025.

What condition is C.H. 11 over Flatville Drainage D 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 C.H. 11 over Flatville Drainage D carry?

About 1,100 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is C.H. 11 over Flatville Drainage D?

The structure is 93 ft (28.2 m) long with a longest span of 43 ft (13.1 m) and a deck 33 ft wide.

Who owns C.H. 11 over Flatville Drainage D?

It is owned by the County Highway Agency.