US Bridges

FAS 2735 over Cahokia Ck

Good

Madison County, Illinois · 4MI E Prrtwn · Structure no. 060300800000000

Built
1953
72 years old, rebuilt 2001
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
198 ft
3 main spans
Daily traffic
1,650
2024 count
Owner
County
County Highway Agency

About this bridge

FAS 2735 over Cahokia Ck is a prestressed concrete box beam or girders - multiple carrying FAS 2735 over Cahokia Ck in Madison County, Illinois. It was built in 1953 and reconstructed in 2001, so it is 72 years old, older 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 1,650 vehicles a day, roughly 8% of them trucks, projected to reach 1,766 by 2046. The structure is 198 ft (60.4 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAS 2735
CrossesCahokia Ck
Location4MI E Prrtwn
RouteCounty Highway 0
Coordinates38.98368, -89.85115
Functional classRural Major 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 protection5 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 evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span76 ft (23.2 m)
Deck width42 ft (12.9 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2024)
Projected traffic1,766 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 FAS 2735 over Cahokia Ck built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2001.

What condition is FAS 2735 over Cahokia Ck 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 April 2023.

How much traffic does FAS 2735 over Cahokia Ck carry?

About 1,650 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is FAS 2735 over Cahokia Ck?

The structure is 198 ft (60.4 m) long with a longest span of 76 ft (23.2 m) and a deck 42 ft wide.

Who owns FAS 2735 over Cahokia Ck?

It is owned by the County Highway Agency.