US Bridges

Ill 164 over Henderson Creek

Fair

Henderson County, Illinois · 1.5 MI E of Oquawka · Structure no. 036003700000000

Built
1980
45 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
351 ft
5 main spans
Daily traffic
1,500
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 164 over Henderson Creek is a steel continuous stringer/multi-beam or girder carrying Ill 164 over Henderson Creek in Henderson County, Illinois. It was built in 1980, so it is 45 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 1,500 vehicles a day, roughly 12% of them trucks, projected to reach 1,616 by 2046. The structure is 351 ft (107 m) long and 33 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesIll 164
CrossesHenderson Creek
Location1.5 MI E of Oquawka
RouteState Highway 164
CountyHenderson County
StateIllinois
Coordinates40.93155, -90.91471
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating88.2 US tons
Inventory rating47.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length351 ft (107 m)
Longest span76 ft (23.2 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2023)
Projected traffic1,616 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Ill 164 over Henderson Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ill 164 over Henderson 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 September 2023.

How much traffic does Ill 164 over Henderson Creek carry?

About 1,500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Ill 164 over Henderson Creek?

The structure is 351 ft (107 m) long with a longest span of 76 ft (23.2 m) and a deck 33 ft wide.

Who owns Ill 164 over Henderson Creek?

It is owned by the State Highway Agency.