US Bridges

Ch 4 over Little Sandy Creek

Good

Scott County, Illinois · 1.5 MI N Manchester · Structure no. 086302300000000

Built
1999
26 years old
Condition
Good
inspected September 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 4 over Little Sandy Creek is a prestressed concrete box beam or girders - multiple carrying Ch 4 over Little Sandy Creek in Scott County, Illinois. It was built in 1999, so it is 26 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 100 vehicles a day, roughly 24% of them trucks, projected to reach 101 by 2046. The structure is 56 ft (17.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCh 4
CrossesLittle Sandy Creek
Location1.5 MI N Manchester
RouteCounty Highway 0
Coordinates39.56614, -90.32669
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 4 over Little Sandy Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Ch 4 over Little Sandy 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 September 2021.

How much traffic does Ch 4 over Little Sandy Creek carry?

About 100 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is Ch 4 over Little Sandy Creek?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns Ch 4 over Little Sandy Creek?

It is owned by the County Highway Agency.