US Bridges

CO HWY 17 over LA Moine River

Fair

Hancock County, Illinois · 6.0 E Carthage · Structure no. 034317500000000

Built
1998
27 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
282 ft
3 main spans
Daily traffic
250
2023 count
Owner
County
County Highway Agency

About this bridge

CO HWY 17 over LA Moine River is a steel continuous stringer/multi-beam or girder carrying CO HWY 17 over LA Moine River in Hancock County, Illinois. It was built in 1998, so it is 27 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 250 vehicles a day, roughly 24% of them trucks, projected to reach 303 by 2046. The structure is 282 ft (86.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCO HWY 17
CrossesLA Moine River
Location6.0 E Carthage
RouteCounty Highway 0
CountyHancock County
StateIllinois
Coordinates40.42522, -91.02438
Functional classRural Major 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length282 ft (86.1 m)
Longest span113 ft (34.4 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic303 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CO HWY 17 over LA Moine River built?

It was built in 1998, making it 27 years old in 2025.

What condition is CO HWY 17 over LA Moine 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 March 2023.

How much traffic does CO HWY 17 over LA Moine River carry?

About 250 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is CO HWY 17 over LA Moine River?

The structure is 282 ft (86.1 m) long with a longest span of 113 ft (34.4 m) and a deck 33 ft wide.

Who owns CO HWY 17 over LA Moine River?

It is owned by the County Highway Agency.