US Bridges

CH-7 (FAS-645) over E Fork Shoal Creek

Fair

Montgomery County, Illinois · Nokomis-Wenonah RD · Structure no. 068003000000000

Built
1900
125 years old, rebuilt 1974
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
1,450
2020 count
Owner
County
County Highway Agency

About this bridge

CH-7 (FAS-645) over E Fork Shoal Creek is a prestressed concrete box beam or girders - multiple carrying CH-7 (FAS-645) over E Fork Shoal Creek in Montgomery County, Illinois. It was built in 1900 and reconstructed in 1974, so it is 125 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 1,450 vehicles a day, roughly 10% of them trucks, projected to reach 1,465 by 2046. The structure is 46 ft (14 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCH-7 (FAS-645)
CrossesE Fork Shoal Creek
LocationNokomis-Wenonah RD
RouteCounty Highway 0
CountyMontgomery County
StateIllinois
Coordinates39.30895, -89.28862
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHS 20
Structure length46 ft (14 m)
Longest span41 ft (12.6 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2020)
Projected traffic1,465 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-7 (FAS-645) over E Fork Shoal Creek built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1974.

What condition is CH-7 (FAS-645) over E Fork Shoal 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 November 2024.

How much traffic does CH-7 (FAS-645) over E Fork Shoal Creek carry?

About 1,450 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is CH-7 (FAS-645) over E Fork Shoal Creek?

The structure is 46 ft (14 m) long with a longest span of 41 ft (12.6 m) and a deck 33 ft wide.

Who owns CH-7 (FAS-645) over E Fork Shoal Creek?

It is owned by the County Highway Agency.