US Bridges

16th Street over 3rd&4th AV15th St&rr

Fair

Rock Island County, Illinois · NW Corner of Moline · Structure no. 081605100000000

Built
1982
43 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
976 ft
13 main spans
Daily traffic
850
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

16th Street over 3rd&4th AV15th St&rr is a steel stringer/multi-beam or girder carrying 16th Street over 3rd&4th AV15th St&rr in Rock Island County, Illinois. It was built in 1982, so it is 43 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 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 850 vehicles a day, roughly 6% of them trucks, projected to reach 859 by 2046. The structure is 976 ft (297.5 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries16th Street
Crosses3rd&4th AV15th St&rr
LocationNW Corner of Moline
Coordinates41.50863, -90.51621
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length976 ft (297.5 m)
Longest span97 ft (29.6 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2020)
Projected traffic859 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 16th Street over 3rd&4th AV15th St&rr built?

It was built in 1982, making it 43 years old in 2025.

What condition is 16th Street over 3rd&4th AV15th St&rr 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 16th Street over 3rd&4th AV15th St&rr carry?

About 850 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is 16th Street over 3rd&4th AV15th St&rr?

The structure is 976 ft (297.5 m) long with a longest span of 97 ft (29.6 m) and a deck 46 ft wide.

Who owns 16th Street over 3rd&4th AV15th St&rr?

It is owned by the City or Municipal Highway Agency.