US Bridges

Ill 164 over Henderson Creek

Fair

Henderson County, Illinois · 3 MI N of Gladstone · Structure no. 036003900000000

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
561 ft
6 main spans
Daily traffic
2,050
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 164 over Henderson Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Ill 164 over Henderson Creek in Henderson County, Illinois. It was built in 1984, so it is 41 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 2,050 vehicles a day, roughly 9% of them trucks, projected to reach 2,323 by 2046. The structure is 561 ft (171 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesIll 164
CrossesHenderson Creek
Location3 MI N of Gladstone
RouteState Highway 164
CountyHenderson County
StateIllinois
Coordinates40.89246, -90.95083
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.7 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length561 ft (171 m)
Longest span99 ft (30.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,050 (2023)
Projected traffic2,323 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 1984, making it 41 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 May 2023.

How much traffic does Ill 164 over Henderson Creek carry?

About 2,050 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ill 164 over Henderson Creek?

The structure is 561 ft (171 m) long with a longest span of 99 ft (30.2 m) and a deck 35 ft wide.

Who owns Ill 164 over Henderson Creek?

It is owned by the State Highway Agency.