US Bridges

EB I-74 over BNSF RR (004648T)

Fair

Knox County, Illinois · N.Galesburg Interch · Structure no. 048000700000000

Built
1963
62 years old, rebuilt 1995
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
173 ft
3 main spans
Daily traffic
8,850
2023 count
Owner
State
State Highway Agency

About this bridge

EB I-74 over BNSF RR (004648T) is a steel continuous stringer/multi-beam or girder carrying EB I-74 over BNSF RR (004648T) in Knox County, Illinois. It was built in 1963 and reconstructed in 1995, so it is 62 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 8,850 vehicles a day, roughly 27% of them trucks, projected to reach 8,787 by 2046. The structure is 173 ft (52.7 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEB I-74
CrossesBNSF RR (004648T)
LocationN.Galesburg Interch
RouteInterstate 74
Coordinates40.94934, -90.33349
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length173 ft (52.7 m)
Longest span68 ft (20.7 m)
Deck width50 ft (15.1 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,850 (2023)
Projected traffic8,787 by 2046
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 EB I-74 over BNSF RR (004648T) built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1995.

What condition is EB I-74 over BNSF RR (004648T) 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 2024.

How much traffic does EB I-74 over BNSF RR (004648T) carry?

About 8,850 vehicles per day (2023 count), of which roughly 27% are trucks.

How long is EB I-74 over BNSF RR (004648T)?

The structure is 173 ft (52.7 m) long with a longest span of 68 ft (20.7 m) and a deck 50 ft wide.

Who owns EB I-74 over BNSF RR (004648T)?

It is owned by the State Highway Agency.