US Bridges

1st Street over Coal Creek

Fair

Rock Island County, Illinois · In Coal Valley on 29 · Structure no. 081301500000000

Built
1964
61 years old, rebuilt 2008
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
111 ft
3 main spans
Daily traffic
1,850
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

1st Street over Coal Creek is a steel continuous stringer/multi-beam or girder carrying 1st Street over Coal Creek in Rock Island County, Illinois. It was built in 1964 and reconstructed in 2008, so it is 61 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 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 1,850 vehicles a day, roughly 3% of them trucks, projected to reach 1,869 by 2046. The structure is 111 ft (33.8 m) long and 36 ft wide. If it were closed, the detour would be 5 mi (8 km).

Carries1st Street
CrossesCoal Creek
LocationIn Coal Valley on 29
Coordinates41.43018, -90.4606
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating97.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length111 ft (33.8 m)
Longest span39 ft (12 m)
Deck width36 ft (11 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,850 (2020)
Projected traffic1,869 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1st Street over Coal Creek built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2008.

What condition is 1st Street over Coal 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 April 2024.

How much traffic does 1st Street over Coal Creek carry?

About 1,850 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is 1st Street over Coal Creek?

The structure is 111 ft (33.8 m) long with a longest span of 39 ft (12 m) and a deck 36 ft wide.

Who owns 1st Street over Coal Creek?

It is owned by the City or Municipal Highway Agency.