US Bridges

CH8/MADISON CH5/BO over Trib to Silver Ck

Good

Madison County, Illinois · 5.9MI N Pierron · Structure no. 060319900000000

Built
1962
63 years old
Condition
Good
inspected December 2023
Type
Culvert
Steel
Length
30 ft
3 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

CH8/MADISON CH5/BO over Trib to Silver Ck is a steel culvert carrying CH8/MADISON CH5/BO over Trib to Silver Ck in Madison County, Illinois. It was built in 1962, so it is 63 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 11% of them trucks, projected to reach 321 by 2046. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCH8/MADISON CH5/BO
CrossesTrib to Silver Ck
Location5.9MI N Pierron
RouteCounty Highway 0
CountyMadison County
StateIllinois
Coordinates38.86863, -89.59955
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 15
Structure length30 ft (9.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic321 by 2046
Trucks11%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$65,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CH8/MADISON CH5/BO over Trib to Silver Ck built?

It was built in 1962, making it 63 years old in 2025.

What condition is CH8/MADISON CH5/BO over Trib to Silver Ck 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 December 2023.

How much traffic does CH8/MADISON CH5/BO over Trib to Silver Ck carry?

About 300 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is CH8/MADISON CH5/BO over Trib to Silver Ck?

The structure is 30 ft (9.2 m) long with a longest span of 8 ft (2.4 m).

Who owns CH8/MADISON CH5/BO over Trib to Silver Ck?

It is owned by the County Highway Agency.