US Bridges

Trigger Road-Ch R4 over Fargo Run

Good

Peoria County, Illinois · Center 3 Kickapoo T · Structure no. 072307800000000

Built
1966
59 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,850
2022 count
Owner
County
County Highway Agency

About this bridge

Trigger Road-Ch R4 over Fargo Run is a concrete culvert carrying Trigger Road-Ch R4 over Fargo Run in Peoria County, Illinois. It was built in 1966, so it is 59 years old, older 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 1,850 vehicles a day, roughly 5% of them trucks, projected to reach 1,818 by 2046. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTrigger Road-Ch R4
CrossesFargo Run
LocationCenter 3 Kickapoo T
RouteCounty Highway 0
Coordinates40.7924, -89.68886
Functional classRural Minor 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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.1 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 traffic1,850 (2022)
Projected traffic1,818 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Trigger Road-Ch R4 over Fargo Run built?

It was built in 1966, making it 59 years old in 2025.

What condition is Trigger Road-Ch R4 over Fargo Run 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 2024.

How much traffic does Trigger Road-Ch R4 over Fargo Run carry?

About 1,850 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Trigger Road-Ch R4 over Fargo Run?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Trigger Road-Ch R4 over Fargo Run?

It is owned by the County Highway Agency.