US Bridges

New Ill RTE 13 over L Crab Orchard CR

Fair

Williamson County, Illinois · Crab Orchard · Structure no. 100201000000000

Built
1990
35 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
12,100
2023 count
Owner
State
State Highway Agency

About this bridge

New Ill RTE 13 over L Crab Orchard CR is a concrete continuous culvert carrying New Ill RTE 13 over L Crab Orchard CR in Williamson County, Illinois. It was built in 1990, so it is 35 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 12,100 vehicles a day, roughly 6% of them trucks, projected to reach 11,413 by 2046. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 29.2 mi (47 km).

CarriesNew Ill RTE 13
CrossesL Crab Orchard CR
LocationCrab Orchard
RouteState Highway 13
Coordinates37.73267, -88.80466
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,100 (2023)
Projected traffic11,413 by 2046
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 New Ill RTE 13 over L Crab Orchard CR built?

It was built in 1990, making it 35 years old in 2025.

What condition is New Ill RTE 13 over L Crab Orchard CR 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 New Ill RTE 13 over L Crab Orchard CR carry?

About 12,100 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is New Ill RTE 13 over L Crab Orchard CR?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.5 m).

Who owns New Ill RTE 13 over L Crab Orchard CR?

It is owned by the State Highway Agency.