US Bridges

Harco RD over M Fork Saline River

Good

Saline County, Illinois · 1 M S of Il 34 · Structure no. 083324600000000

Built
2013
12 years old
Condition
Good
inspected October 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
182 ft
3 main spans
Daily traffic
1,400
2020 count
Owner
County
County Highway Agency

About this bridge

Harco RD over M Fork Saline River is a prestressed concrete box beam or girders - multiple carrying Harco RD over M Fork Saline River in Saline County, Illinois. It was built in 2013, so it is 12 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 1,400 vehicles a day, roughly 17% of them trucks, projected to reach 1,414 by 2046. The structure is 182 ft (55.4 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesHarco RD
CrossesM Fork Saline River
Location1 M S of Il 34
RouteCounty Highway 0
Coordinates37.83048, -88.65173
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 inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating97.6 US tons
Inventory rating76.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length182 ft (55.4 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2020)
Projected traffic1,414 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Harco RD over M Fork Saline River built?

It was built in 2013, making it 12 years old in 2025.

What condition is Harco RD over M Fork Saline River 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 October 2021.

How much traffic does Harco RD over M Fork Saline River carry?

About 1,400 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Harco RD over M Fork Saline River?

The structure is 182 ft (55.4 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns Harco RD over M Fork Saline River?

It is owned by the County Highway Agency.