US Bridges

Ch 22(FAS 690) over Mill Creek

Good

Clark County, Illinois · 1 MI SE Lincoln TR P · Structure no. 012300700000000

Built
1961
64 years old, rebuilt 1997
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
174 ft
3 main spans
Daily traffic
350
2021 count
Owner
County
County Highway Agency

About this bridge

Ch 22(FAS 690) over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Ch 22(FAS 690) over Mill Creek in Clark County, Illinois. It was built in 1961 and reconstructed in 1997, so it is 64 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 354 by 2046. The structure is 174 ft (52.9 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCh 22(FAS 690)
CrossesMill Creek
Location1 MI SE Lincoln TR P
RouteCounty Highway 0
Coordinates39.33065, -87.73488
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.6 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length174 ft (52.9 m)
Longest span58 ft (17.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic354 by 2046
Trucks5%
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 Ch 22(FAS 690) over Mill Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1997.

What condition is Ch 22(FAS 690) over Mill Creek 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 February 2025.

How much traffic does Ch 22(FAS 690) over Mill Creek carry?

About 350 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ch 22(FAS 690) over Mill Creek?

The structure is 174 ft (52.9 m) long with a longest span of 58 ft (17.6 m) and a deck 27 ft wide.

Who owns Ch 22(FAS 690) over Mill Creek?

It is owned by the County Highway Agency.