US Bridges

US 14 (miner St) over Des Plaines River

Fair

Cook County, Illinois · 0.7 M W I-294 · Structure no. 016023800000000

Built
1925
100 years old, rebuilt 1986
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
133 ft
2 main spans
Daily traffic
16,100
2023 count
Owner
State
State Highway Agency

About this bridge

US 14 (miner St) over Des Plaines River is a prestressed concrete continuous stringer/multi-beam or girder carrying US 14 (miner St) over Des Plaines River in Cook County, Illinois. It was built in 1925 and reconstructed in 1986, so it is 100 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 16,100 vehicles a day, roughly 3% of them trucks, projected to reach 18,584 by 2046. The structure is 133 ft (40.5 m) long and 65 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesUS 14 (miner St)
CrossesDes Plaines River
Location0.7 M W I-294
RouteU.S. Route 14
CountyCook County
StateIllinois
Coordinates42.03951, -87.88314
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.3 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span65 ft (19.8 m)
Deck width65 ft (19.7 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,100 (2023)
Projected traffic18,584 by 2046
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 US 14 (miner St) over Des Plaines River built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1986.

What condition is US 14 (miner St) over Des Plaines River 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 July 2023.

How much traffic does US 14 (miner St) over Des Plaines River carry?

About 16,100 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 14 (miner St) over Des Plaines River?

The structure is 133 ft (40.5 m) long with a longest span of 65 ft (19.8 m) and a deck 65 ft wide.

Who owns US 14 (miner St) over Des Plaines River?

It is owned by the State Highway Agency.