US Bridges

Ill 164 over Stream

Fair

Henderson County, Illinois · 1.4 Mi. N Gladstone · Structure no. 036200000000000

Built
1934
91 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
2,050
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 164 over Stream is a concrete continuous culvert carrying Ill 164 over Stream in Henderson County, Illinois. It was built in 1934, so it is 91 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 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 22 ft (6.7 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesIll 164
CrossesStream
Location1.4 Mi. N Gladstone
RouteState Highway 164
Coordinates40.88662, -90.95071
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating46.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width41 ft (12.5 m)
Roadway width40 ft (12.2 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 Stream built?

It was built in 1934, making it 91 years old in 2025.

What condition is Ill 164 over Stream 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 October 2024.

How much traffic does Ill 164 over Stream carry?

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

How long is Ill 164 over Stream?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 41 ft wide.

Who owns Ill 164 over Stream?

It is owned by the State Highway Agency.