US Bridges

Scioto Mills Rd. over Richland Creek

Fair

Stephenson County, Illinois · Scioto Mills · Structure no. 089303400000000

Built
1968
57 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
186 ft
3 main spans
Daily traffic
225
2024 count
Owner
County
County Highway Agency

About this bridge

Scioto Mills Rd. over Richland Creek is a steel continuous stringer/multi-beam or girder carrying Scioto Mills Rd. over Richland Creek in Stephenson County, Illinois. It was built in 1968, so it is 57 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 225 vehicles a day, roughly 3% of them trucks, projected to reach 253 by 2046. The structure is 186 ft (56.7 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesScioto Mills Rd.
CrossesRichland Creek
LocationScioto Mills
RouteCounty Highway 0
CountyStephenson County
StateIllinois
Coordinates42.35637, -89.66978
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span68 ft (20.7 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2024)
Projected traffic253 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Scioto Mills Rd. over Richland Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Scioto Mills Rd. over Richland Creek 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 December 2023.

How much traffic does Scioto Mills Rd. over Richland Creek carry?

About 225 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Scioto Mills Rd. over Richland Creek?

The structure is 186 ft (56.7 m) long with a longest span of 68 ft (20.7 m) and a deck 32 ft wide.

Who owns Scioto Mills Rd. over Richland Creek?

It is owned by the County Highway Agency.