US Bridges

Ill 26 over Strawn Creek

Fair

Marshall County, Illinois · 3.61 MI S of Il 17 · Structure no. 062006300000000

Built
2001
24 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 26 over Strawn Creek is a steel stringer/multi-beam or girder carrying Ill 26 over Strawn Creek in Marshall County, Illinois. It was built in 2001, so it is 24 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 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 2,100 vehicles a day, roughly 10% of them trucks, projected to reach 1,667 by 2046. The structure is 81 ft (24.7 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIll 26
CrossesStrawn Creek
Location3.61 MI S of Il 17
RouteState Highway 26
CountyMarshall County
StateIllinois
Coordinates40.97455, -89.41989
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating98.2 US tons
Inventory rating72.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length81 ft (24.7 m)
Longest span79 ft (24 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic1,667 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 26 over Strawn Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is Ill 26 over Strawn 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 November 2023.

How much traffic does Ill 26 over Strawn Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Ill 26 over Strawn Creek?

The structure is 81 ft (24.7 m) long with a longest span of 79 ft (24 m) and a deck 35 ft wide.

Who owns Ill 26 over Strawn Creek?

It is owned by the State Highway Agency.