US Bridges

Oak ST over S.Fk Vermiion River

Good

Livingston County, Illinois · Oak ST in Forrest · Structure no. 053680200000000

Built
1982
43 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oak ST over S.Fk Vermiion River is a concrete continuous culvert carrying Oak ST over S.Fk Vermiion River in Livingston County, Illinois. It was built in 1982, so it is 43 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 100 vehicles a day, roughly 18% of them trucks, projected to reach 177 by 2046. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOak ST
CrossesS.Fk Vermiion River
LocationOak ST in Forrest
RouteCity Street 0
Coordinates40.7478, -88.41201
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic177 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Oak ST over S.Fk Vermiion River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Oak ST over S.Fk Vermiion 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 September 2021.

How much traffic does Oak ST over S.Fk Vermiion River carry?

About 100 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Oak ST over S.Fk Vermiion River?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Oak ST over S.Fk Vermiion River?

It is owned by the City or Municipal Highway Agency.