US Bridges

Ch 13 Summerfield over Little Silver Ck

Fair

Madison County, Illinois · 4.0 MI S ST Jacob · Structure no. 060318900000000

Built
1969
56 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
275
2021 count
Owner
County
County Highway Agency

About this bridge

Ch 13 Summerfield over Little Silver Ck is a concrete continuous culvert carrying Ch 13 Summerfield over Little Silver Ck in Madison County, Illinois. It was built in 1969, so it is 56 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 6 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 275 vehicles a day, roughly 7% of them trucks, projected to reach 294 by 2046. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCh 13 Summerfield
CrossesLittle Silver Ck
Location4.0 MI S ST Jacob
RouteCounty Highway 0
Coordinates38.6646, -89.75343
Functional classRural Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2021)
Projected traffic294 by 2046
Trucks7%
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 13 Summerfield over Little Silver Ck built?

It was built in 1969, making it 56 years old in 2025.

What condition is Ch 13 Summerfield over Little Silver Ck 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 October 2024.

How much traffic does Ch 13 Summerfield over Little Silver Ck carry?

About 275 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Ch 13 Summerfield over Little Silver Ck?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns Ch 13 Summerfield over Little Silver Ck?

It is owned by the County Highway Agency.