US Bridges

Ill 34 over Rose Creek

Fair

Hardin County, Illinois · 1.7 MI S of Herod · Structure no. 035000400000000

Built
1924
101 years old, rebuilt 1978
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
87 ft
2 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 34 over Rose Creek is a steel continuous stringer/multi-beam or girder carrying Ill 34 over Rose Creek in Hardin County, Illinois. It was built in 1924 and reconstructed in 1978, so it is 101 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 1,400 vehicles a day, roughly 12% of them trucks, projected to reach 1,768 by 2046. The structure is 87 ft (26.5 m) long and 32 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesIll 34
CrossesRose Creek
Location1.7 MI S of Herod
RouteState Highway 34
Coordinates37.56644, -88.41167
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection7 GoodSome minor problems.
Last inspectionApril 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span43 ft (13.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,768 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 Rose Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1978.

What condition is Ill 34 over Rose 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 April 2024.

How much traffic does Ill 34 over Rose Creek carry?

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

How long is Ill 34 over Rose Creek?

The structure is 87 ft (26.5 m) long with a longest span of 43 ft (13.2 m) and a deck 32 ft wide.

Who owns Ill 34 over Rose Creek?

It is owned by the State Highway Agency.