US Bridges

Ill 159 over Br Richland Creek

Fair

St. Clair County, Illinois · At Il 13/158/177 Int · Structure no. 082200400000000

Built
1955
70 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
144 ft
2 main spans
Daily traffic
14,200
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 159 over Br Richland Creek is a concrete continuous culvert carrying Ill 159 over Br Richland Creek in St. Clair County, Illinois. It was built in 1955, so it is 70 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 5 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 14,200 vehicles a day, roughly 3% of them trucks, projected to reach 14,746 by 2046. The structure is 144 ft (43.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIll 159
CrossesBr Richland Creek
LocationAt Il 13/158/177 Int
RouteState Highway 159
CountySt. Clair County
StateIllinois
Coordinates38.50207, -89.98426
Functional classUrban Other Principal Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating51.8 US tons
Inventory rating31.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length144 ft (43.8 m)
Longest span71 ft (21.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,200 (2023)
Projected traffic14,746 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Ill 159 over Br Richland Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Ill 159 over Br Richland 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 April 2023.

How much traffic does Ill 159 over Br Richland Creek carry?

About 14,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Ill 159 over Br Richland Creek?

The structure is 144 ft (43.8 m) long with a longest span of 71 ft (21.6 m).

Who owns Ill 159 over Br Richland Creek?

It is owned by the State Highway Agency.