US Bridges

FAS 622/CH 15 over Spring Creek

Good

Sangamon County, Illinois · 1MI W Riddle Hill · Structure no. 084340600000000

Built
1994
31 years old
Condition
Good
inspected March 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
151 ft
3 main spans
Daily traffic
1,300
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 622/CH 15 over Spring Creek is a prestressed concrete box beam or girders - multiple carrying FAS 622/CH 15 over Spring Creek in Sangamon County, Illinois. It was built in 1994, so it is 31 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 1,300 vehicles a day, roughly 5% of them trucks, projected to reach 1,212 by 2046. The structure is 151 ft (46.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFAS 622/CH 15
CrossesSpring Creek
Location1MI W Riddle Hill
RouteCounty Highway 0
CountySangamon County
StateIllinois
Coordinates39.79434, -89.80063
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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 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 length151 ft (46.1 m)
Longest span54 ft (16.5 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2022)
Projected traffic1,212 by 2046
Trucks5%
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 FAS 622/CH 15 over Spring Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is FAS 622/CH 15 over Spring 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 2022.

How much traffic does FAS 622/CH 15 over Spring Creek carry?

About 1,300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAS 622/CH 15 over Spring Creek?

The structure is 151 ft (46.1 m) long with a longest span of 54 ft (16.5 m) and a deck 36 ft wide.

Who owns FAS 622/CH 15 over Spring Creek?

It is owned by the County Highway Agency.