US Bridges

US 45 over S Fork Saline River

Good

Saline County, Illinois · 1.5 MI NE Stonefort · Structure no. 083006700000000

Built
2017
8 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
3 main spans
Daily traffic
2,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over S Fork Saline River is a steel continuous stringer/multi-beam or girder carrying US 45 over S Fork Saline River in Saline County, Illinois. It was built in 2017, so it is 8 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 2,000 vehicles a day, roughly 14% of them trucks, projected to reach 1,818 by 2046. The structure is 201 ft (61.2 m) long and 35 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesUS 45
CrossesS Fork Saline River
Location1.5 MI NE Stonefort
RouteU.S. Route 45
Coordinates37.63811, -88.67763
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating71.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length201 ft (61.2 m)
Longest span93 ft (28.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic1,818 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 45 over S Fork Saline River built?

It was built in 2017, making it 8 years old in 2025.

What condition is US 45 over S 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 February 2023.

How much traffic does US 45 over S Fork Saline River carry?

About 2,000 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 45 over S Fork Saline River?

The structure is 201 ft (61.2 m) long with a longest span of 93 ft (28.3 m) and a deck 35 ft wide.

Who owns US 45 over S Fork Saline River?

It is owned by the State Highway Agency.