US Bridges

Ill 145 over Stream

Fair

Pope County, Illinois · 1 MI E Glendale · Structure no. 076001200000000

Built
1949
76 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 145 over Stream is a concrete tee beam carrying Ill 145 over Stream in Pope County, Illinois. It was built in 1949, so it is 76 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 1,200 vehicles a day, roughly 11% of them trucks, projected to reach 1,465 by 2046. The structure is 31 ft (9.3 m) long and 57 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesIll 145
CrossesStream
Location1 MI E Glendale
RouteState Highway 145
Coordinates37.46189, -88.64623
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating58.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length31 ft (9.3 m)
Longest span29 ft (8.8 m)
Deck width57 ft (17.4 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,465 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 145 over Stream built?

It was built in 1949, making it 76 years old in 2025.

What condition is Ill 145 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 January 2024.

How much traffic does Ill 145 over Stream carry?

About 1,200 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Ill 145 over Stream?

The structure is 31 ft (9.3 m) long with a longest span of 29 ft (8.8 m) and a deck 57 ft wide.

Who owns Ill 145 over Stream?

It is owned by the State Highway Agency.