US Bridges

US 30 over Union Pacific RR

Fair

Whiteside County, Illinois · 2.5 MI W of Morrison · Structure no. 098000500000000

Built
1946
79 years old, rebuilt 1990
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
3 main spans
Daily traffic
5,550
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 over Union Pacific RR is a steel continuous stringer/multi-beam or girder carrying US 30 over Union Pacific RR in Whiteside County, Illinois. It was built in 1946 and reconstructed in 1990, so it is 79 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 5,550 vehicles a day, roughly 14% of them trucks, projected to reach 5,858 by 2046. The structure is 263 ft (80.2 m) long and 43 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesUS 30
CrossesUnion Pacific RR
Location2.5 MI W of Morrison
RouteU.S. Route 30
CountyWhiteside County
StateIllinois
Coordinates41.83396, -90.02799
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length263 ft (80.2 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13.2 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,550 (2023)
Projected traffic5,858 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemYes

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 US 30 over Union Pacific RR built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1990.

What condition is US 30 over Union Pacific RR 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 July 2024.

How much traffic does US 30 over Union Pacific RR carry?

About 5,550 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 30 over Union Pacific RR?

The structure is 263 ft (80.2 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns US 30 over Union Pacific RR?

It is owned by the State Highway Agency.