US Bridges

Ch 10 over Trib to Middle Fork

Fair

Saline County, Illinois · 1 MI E Il 34 · Structure no. 083320200000000

Built
1997
28 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
75
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 10 over Trib to Middle Fork is a prestressed concrete box beam or girders - multiple carrying Ch 10 over Trib to Middle Fork in Saline County, Illinois. It was built in 1997, so it is 28 years old, younger 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 75 vehicles a day, roughly 8% of them trucks, projected to reach 76 by 2046. The structure is 41 ft (12.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCh 10
CrossesTrib to Middle Fork
Location1 MI E Il 34
RouteCounty Highway 0
Coordinates37.87236, -88.66531
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior 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 length41 ft (12.6 m)
Longest span39 ft (11.8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks8%
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 10 over Trib to Middle Fork built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ch 10 over Trib to Middle Fork 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 May 2024.

How much traffic does Ch 10 over Trib to Middle Fork carry?

About 75 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Ch 10 over Trib to Middle Fork?

The structure is 41 ft (12.6 m) long with a longest span of 39 ft (11.8 m) and a deck 24 ft wide.

Who owns Ch 10 over Trib to Middle Fork?

It is owned by the County Highway Agency.