US Bridges

Ch 11 over Conners Branch

Good

Clay County, Illinois · 3 MI W Xenia · Structure no. 013324100000000

Built
2013
12 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

Ch 11 over Conners Branch is a prestressed concrete box beam or girders - multiple carrying Ch 11 over Conners Branch in Clay County, Illinois. It was built in 2013, so it is 12 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 62 ft (18.8 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCh 11
CrossesConners Branch
Location3 MI W Xenia
RouteCounty Highway 0
Coordinates38.65026, -88.69799
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length62 ft (18.8 m)
Longest span62 ft (18.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Conners Branch built?

It was built in 2013, making it 12 years old in 2025.

What condition is Ch 11 over Conners Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Ch 11 over Conners Branch carry?

About 50 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Ch 11 over Conners Branch?

The structure is 62 ft (18.8 m) long with a longest span of 62 ft (18.8 m) and a deck 24 ft wide.

Who owns Ch 11 over Conners Branch?

It is owned by the County Highway Agency.