US Bridges

Warren Co. TR 4 over S. Fk. Henderson Cr.

Poor

Henderson County, Illinois · SE-24-T10NR4W · Structure no. 036421400000000

Built
1970
55 years old
Condition
Poor
inspected February 2023
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
25
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Warren Co. TR 4 over S. Fk. Henderson Cr. is a concrete channel beam carrying Warren Co. TR 4 over S. Fk. Henderson Cr. in Henderson County, Illinois. It was built in 1970, so it is 55 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25 vehicles a day, projected to reach 25 by 2046. The structure is 40 ft (12.2 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWarren Co. TR 4
CrossesS. Fk. Henderson Cr.
LocationSE-24-T10NR4W
RouteCounty Highway 0
CountyHenderson County
StateIllinois
Coordinates40.83553, -90.78812
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating26.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2016)
Projected traffic25 by 2046
Trucks0%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Warren Co. TR 4 over S. Fk. Henderson Cr. built?

It was built in 1970, making it 55 years old in 2025.

What condition is Warren Co. TR 4 over S. Fk. Henderson Cr. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does Warren Co. TR 4 over S. Fk. Henderson Cr. carry?

About 25 vehicles per day (2016 count).

How long is Warren Co. TR 4 over S. Fk. Henderson Cr.?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 23 ft wide.

Who owns Warren Co. TR 4 over S. Fk. Henderson Cr.?

It is owned by the Town or Township Highway Agency.