US Bridges

Andalusia RD over Drainage Ditch

Good

Rock Island County, Illinois · 0.3MI W JCT US67 · Structure no. 081203300000000

Built
2001
24 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
10,400
2023 count
Owner
State
State Highway Agency

About this bridge

Andalusia RD over Drainage Ditch is a concrete culvert carrying Andalusia RD over Drainage Ditch in Rock Island County, Illinois. It was built in 2001, so it is 24 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 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 10,400 vehicles a day, roughly 9% of them trucks, projected to reach 10,302 by 2046. The structure is 33 ft (10 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesAndalusia RD
CrossesDrainage Ditch
Location0.3MI W JCT US67
Coordinates41.44294, -90.57956
Functional classUrban Minor Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2023)
Projected traffic10,302 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Andalusia RD over Drainage Ditch built?

It was built in 2001, making it 24 years old in 2025.

What condition is Andalusia RD 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 July 2023.

How much traffic does Andalusia RD over Drainage Ditch carry?

About 10,400 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Andalusia RD over Drainage Ditch?

The structure is 33 ft (10 m) long with a longest span of 11 ft (3.3 m).

Who owns Andalusia RD over Drainage Ditch?

It is owned by the State Highway Agency.