US Bridges

Ill 34 over Unnamed Stream

Good

Pope County, Illinois · 2.1 MI S Saline CO · Structure no. 076200600000000

Built
2011
14 years old
Condition
Good
inspected January 2022
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 34 over Unnamed Stream is a concrete culvert carrying Ill 34 over Unnamed Stream in Pope County, Illinois. It was built in 2011, so it is 14 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 12% of them trucks, projected to reach 1,818 by 2046. The structure is 26 ft (7.9 m) long and 35 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

Location

Open in Google Maps
CarriesIll 34
CrossesUnnamed Stream
Location2.1 MI S Saline CO
RouteState Highway 34
CountyPope County
StateIllinois
Coordinates37.57855, -88.43375
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 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 rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,818 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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 34 over Unnamed Stream built?

It was built in 2011, making it 14 years old in 2025.

What condition is Ill 34 over Unnamed Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2022.

How much traffic does Ill 34 over Unnamed Stream carry?

About 1,400 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Ill 34 over Unnamed Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.8 m) and a deck 35 ft wide.

Who owns Ill 34 over Unnamed Stream?

It is owned by the State Highway Agency.