US Bridges

44th Avenue over Unnamed Strm

Fair

Rock Island County, Illinois · .5 MI E of 60th ST · Structure no. 081605800000000

Built
2011
14 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
1,550
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

44th Avenue over Unnamed Strm is a prestressed concrete box beam or girders - multiple carrying 44th Avenue over Unnamed Strm in Rock Island County, Illinois. It was built in 2011, so it is 14 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 1,550 vehicles a day, roughly 10% of them trucks, projected to reach 1,566 by 2046. The structure is 62 ft (18.9 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries44th Avenue
CrossesUnnamed Strm
Location.5 MI E of 60th ST
RouteCity Street 0
Coordinates41.47056, -90.44954
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length62 ft (18.9 m)
Longest span59 ft (17.9 m)
Deck width52 ft (15.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2015)
Projected traffic1,566 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 44th Avenue over Unnamed Strm built?

It was built in 2011, making it 14 years old in 2025.

What condition is 44th Avenue over Unnamed Strm 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 May 2024.

How much traffic does 44th Avenue over Unnamed Strm carry?

About 1,550 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is 44th Avenue over Unnamed Strm?

The structure is 62 ft (18.9 m) long with a longest span of 59 ft (17.9 m) and a deck 52 ft wide.

Who owns 44th Avenue over Unnamed Strm?

It is owned by the City or Municipal Highway Agency.