US Bridges

26th over NSRR Yard

Fair

St. Clair County, Illinois · 0.2MI SW of Il 15 · Structure no. 082013100000000

Built
1936
89 years old, rebuilt 1988
Condition
Fair
inspected August 2024
Type
Truss - Thru
Steel
Length
448 ft
2 main spans
Daily traffic
6,150
2023 count
Owner
State
State Highway Agency

About this bridge

26th over NSRR Yard is a steel truss - thru carrying 26th over NSRR Yard in St. Clair County, Illinois. It was built in 1936 and reconstructed in 1988, so it is 89 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 6,150 vehicles a day, roughly 10% of them trucks, projected to reach 7,979 by 2046. The structure is 448 ft (136.6 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries26th
CrossesNSRR Yard
Location0.2MI SW of Il 15
CountySt. Clair County
StateIllinois
Coordinates38.60269, -90.13844
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length448 ft (136.6 m)
Longest span165 ft (50.4 m)
Deck width48 ft (14.7 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,150 (2023)
Projected traffic7,979 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 26th over NSRR Yard built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1988.

What condition is 26th over NSRR Yard 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 August 2024.

How much traffic does 26th over NSRR Yard carry?

About 6,150 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 26th over NSRR Yard?

The structure is 448 ft (136.6 m) long with a longest span of 165 ft (50.4 m) and a deck 48 ft wide.

Who owns 26th over NSRR Yard?

It is owned by the State Highway Agency.