US Bridges

Township Road 232 over Drainage Ditch

Good

Rock Island County, Illinois · 2 MI SW of Hillsdale · Structure no. 081501000000000

Built
1977
48 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road 232 over Drainage Ditch is a concrete culvert carrying Township Road 232 over Drainage Ditch in Rock Island County, Illinois. It was built in 1977, so it is 48 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 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesTownship Road 232
CrossesDrainage Ditch
Location2 MI SW of Hillsdale
RouteCounty Highway 0
CountyRock Island County
StateIllinois
Coordinates41.58449, -90.21074
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 inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.6 US tons
Inventory rating23.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Township Road 232 over Drainage Ditch built?

It was built in 1977, making it 48 years old in 2025.

What condition is Township Road 232 over Drainage Ditch 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 November 2022.

How much traffic does Township Road 232 over Drainage Ditch carry?

About 25 vehicles per day (2020 count).

How long is Township Road 232 over Drainage Ditch?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).

Who owns Township Road 232 over Drainage Ditch?

It is owned by the Town or Township Highway Agency.