US Bridges

Ch 45 FAS623 over Johns Creek

Good

Sangamon County, Illinois · 3.0 MI S Loami · Structure no. 084341000000000

Built
1986
39 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
175
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 45 FAS623 over Johns Creek is a prestressed concrete box beam or girders - multiple carrying Ch 45 FAS623 over Johns Creek in Sangamon County, Illinois. It was built in 1986, so it is 39 years old, younger 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 175 vehicles a day, roughly 11% of them trucks, projected to reach 202 by 2046. The structure is 90 ft (27.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCh 45 FAS623
CrossesJohns Creek
Location3.0 MI S Loami
RouteCounty Highway 0
CountySangamon County
StateIllinois
Coordinates39.62117, -89.84234
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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span40 ft (12.2 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic202 by 2046
Trucks11%
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 45 FAS623 over Johns Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ch 45 FAS623 over Johns 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 March 2023.

How much traffic does Ch 45 FAS623 over Johns Creek carry?

About 175 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Ch 45 FAS623 over Johns Creek?

The structure is 90 ft (27.4 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns Ch 45 FAS623 over Johns Creek?

It is owned by the County Highway Agency.