US Bridges

Seminary Street over BNSF Railroad

Good

Knox County, Illinois · Galesburg · Structure no. 048603000000000

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
1 main span
Daily traffic
7,150
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Seminary Street over BNSF Railroad is a steel stringer/multi-beam or girder carrying Seminary Street over BNSF Railroad in Knox County, Illinois. It was built in 2015, so it is 10 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,150 vehicles a day, roughly 4% of them trucks, projected to reach 7,828 by 2046. The structure is 153 ft (46.6 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSeminary Street
CrossesBNSF Railroad
LocationGalesburg
Coordinates40.95108, -90.36524
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length153 ft (46.6 m)
Longest span150 ft (45.6 m)
Deck width49 ft (15 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,150 (2022)
Projected traffic7,828 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Seminary Street over BNSF Railroad built?

It was built in 2015, making it 10 years old in 2025.

What condition is Seminary Street over BNSF Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Seminary Street over BNSF Railroad carry?

About 7,150 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Seminary Street over BNSF Railroad?

The structure is 153 ft (46.6 m) long with a longest span of 150 ft (45.6 m) and a deck 49 ft wide.

Who owns Seminary Street over BNSF Railroad?

It is owned by the City or Municipal Highway Agency.