US Bridges

Il 13 over Icrr

Fair

St. Clair County, Illinois · 1.5 MI SE of New Athens · Structure no. 082019900000000

Built
1971
54 years old, rebuilt 1999
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
379 ft
3 main spans
Daily traffic
4,000
2023 count
Owner
State
State Highway Agency

About this bridge

Il 13 over Icrr is a steel continuous stringer/multi-beam or girder carrying Il 13 over Icrr in St. Clair County, Illinois. It was built in 1971 and reconstructed in 1999, so it is 54 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 4,000 vehicles a day, roughly 16% of them trucks, projected to reach 3,737 by 2046. The structure is 379 ft (115.5 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIl 13
CrossesIcrr
Location1.5 MI SE of New Athens
RouteState Highway 13
Coordinates38.3048, -89.84529
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length379 ft (115.5 m)
Longest span145 ft (44.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2023)
Projected traffic3,737 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Il 13 over Icrr built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1999.

What condition is Il 13 over Icrr 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 2024.

How much traffic does Il 13 over Icrr carry?

About 4,000 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Il 13 over Icrr?

The structure is 379 ft (115.5 m) long with a longest span of 145 ft (44.3 m) and a deck 43 ft wide.

Who owns Il 13 over Icrr?

It is owned by the State Highway Agency.