US Bridges

Ill 34 over Ewing Creek

Fair

Franklin County, Illinois · 2 MI NW Thompsonvill · Structure no. 028004700000000

Built
1928
97 years old, rebuilt 2008
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
79 ft
2 main spans
Daily traffic
2,550
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 34 over Ewing Creek is a prestressed concrete box beam or girders - multiple carrying Ill 34 over Ewing Creek in Franklin County, Illinois. It was built in 1928 and reconstructed in 2008, so it is 97 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 6 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 2,550 vehicles a day, roughly 5% of them trucks, projected to reach 2,273 by 2046. The structure is 79 ft (24.1 m) long and 33 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesIll 34
CrossesEwing Creek
Location2 MI NW Thompsonvill
RouteState Highway 34
Coordinates37.94223, -88.79964
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating57.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length79 ft (24.1 m)
Longest span37 ft (11.3 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2023)
Projected traffic2,273 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$236,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 34 over Ewing Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2008.

What condition is Ill 34 over Ewing 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 June 2024.

How much traffic does Ill 34 over Ewing Creek carry?

About 2,550 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ill 34 over Ewing Creek?

The structure is 79 ft (24.1 m) long with a longest span of 37 ft (11.3 m) and a deck 33 ft wide.

Who owns Ill 34 over Ewing Creek?

It is owned by the State Highway Agency.