US Bridges

Municipal St. over Unnamed Stream

Fair

Rock Island County, Illinois · .25 MI E 44th St-R I · Structure no. 081201700000000

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
3,400
2020 count
Owner
State
State Highway Agency

About this bridge

Municipal St. over Unnamed Stream is a concrete culvert carrying Municipal St. over Unnamed Stream in Rock Island County, Illinois. It was built in 1988, so it is 37 years old, younger 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 6 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 3,400 vehicles a day, roughly 4% of them trucks, projected to reach 3,434 by 2046. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesMunicipal St.
CrossesUnnamed Stream
Location.25 MI E 44th St-R I
RouteCity Street 0
CountyRock Island County
StateIllinois
Coordinates41.46985, -90.53658
Functional classUrban Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2020)
Projected traffic3,434 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Municipal St. over Unnamed Stream built?

It was built in 1988, making it 37 years old in 2025.

What condition is Municipal St. over Unnamed Stream 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 June 2024.

How much traffic does Municipal St. over Unnamed Stream carry?

About 3,400 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Municipal St. over Unnamed Stream?

The structure is 24 ft (7.2 m) long with a longest span of 11 ft (3.5 m).

Who owns Municipal St. over Unnamed Stream?

It is owned by the State Highway Agency.