US Bridges

Emden RD over I-155

Fair

Logan County, Illinois · 1M S Il 136 · Structure no. 054007800000000

Built
1991
34 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
324 ft
3 main spans
Daily traffic
325
2022 count
Owner
State
State Highway Agency

About this bridge

Emden RD over I-155 is a steel continuous stringer/multi-beam or girder carrying Emden RD over I-155 in Logan County, Illinois. It was built in 1991, so it is 34 years old, younger 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 325 vehicles a day, roughly 5% of them trucks, projected to reach 394 by 2046. The structure is 324 ft (98.8 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEmden RD
CrossesI-155
Location1M S Il 136
RouteCounty Highway 0
Coordinates40.29339, -89.45281
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length324 ft (98.8 m)
Longest span112 ft (34 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2022)
Projected traffic394 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Emden RD over I-155 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Emden RD over I-155 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 Emden RD over I-155 carry?

About 325 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Emden RD over I-155?

The structure is 324 ft (98.8 m) long with a longest span of 112 ft (34 m) and a deck 37 ft wide.

Who owns Emden RD over I-155?

It is owned by the State Highway Agency.