US Bridges

27th St.-Moline over Stream

Poor

Rock Island County, Illinois · .19MI N John Deer RD · Structure no. 081203900000000

Built
1937
88 years old
Condition
Poor
inspected December 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
10,050
2020 count
Owner
State
State Highway Agency

About this bridge

27th St.-Moline over Stream is a concrete culvert carrying 27th St.-Moline over Stream in Rock Island County, Illinois. It was built in 1937, so it is 88 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 10,050 vehicles a day, roughly 4% of them trucks, projected to reach 10,151 by 2046. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 5 mi (8 km).

Carries27th St.-Moline
CrossesStream
Location.19MI N John Deer RD
Coordinates41.47393, -90.49922
Functional classUrban Minor Arterial

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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 12 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.8 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 traffic10,050 (2020)
Projected traffic10,151 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 27th St.-Moline over Stream built?

It was built in 1937, making it 88 years old in 2025.

What condition is 27th St.-Moline over Stream 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 December 2024.

How much traffic does 27th St.-Moline over Stream carry?

About 10,050 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is 27th St.-Moline over Stream?

The structure is 22 ft (6.8 m) long with a longest span of 11 ft (3.3 m).

Who owns 27th St.-Moline over Stream?

It is owned by the State Highway Agency.