US Bridges

Andalusia RD over Sand Creek

Fair

Rock Island County, Illinois · 2 MI W of US 67 · Structure no. 081200600000000

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
6,500
2023 count
Owner
State
State Highway Agency

About this bridge

Andalusia RD over Sand Creek is a concrete culvert carrying Andalusia RD over Sand Creek in Rock Island County, Illinois. It was built in 1975, so it is 50 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,500 vehicles a day, roughly 10% of them trucks, projected to reach 6,717 by 2046. The structure is 42 ft (12.8 m) long and 91 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesAndalusia RD
CrossesSand Creek
Location2 MI W of US 67
CountyRock Island County
StateIllinois
Coordinates41.44349, -90.60612
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length42 ft (12.8 m)
Longest span22 ft (6.7 m)
Deck width91 ft (27.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2023)
Projected traffic6,717 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$656,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Andalusia RD over Sand Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Andalusia RD over Sand Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Andalusia RD over Sand Creek carry?

About 6,500 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Andalusia RD over Sand Creek?

The structure is 42 ft (12.8 m) long with a longest span of 22 ft (6.7 m) and a deck 91 ft wide.

Who owns Andalusia RD over Sand Creek?

It is owned by the State Highway Agency.