US Bridges

Red Oak RD over Br of Richland Creek

Good

Stephenson County, Illinois · 2 MI NW Cedarville · Structure no. 089512200000000

Built
2000
25 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
300
2024 count
Owner
County
County Highway Agency

About this bridge

Red Oak RD over Br of Richland Creek is a concrete culvert carrying Red Oak RD over Br of Richland Creek in Stephenson County, Illinois. It was built in 2000, so it is 25 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 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 1% of them trucks, projected to reach 303 by 2046. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRed Oak RD
CrossesBr of Richland Creek
Location2 MI NW Cedarville
RouteCounty Highway 0
Coordinates42.38842, -89.66811
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length38 ft (11.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic303 by 2046
Trucks1%
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 Red Oak RD over Br of Richland Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Red Oak RD over Br of Richland Creek 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 2023.

How much traffic does Red Oak RD over Br of Richland Creek carry?

About 300 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Red Oak RD over Br of Richland Creek?

The structure is 38 ft (11.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Red Oak RD over Br of Richland Creek?

It is owned by the County Highway Agency.