US Bridges

Avenue G over Bn RR & Wallace ST

Good

Whiteside County, Illinois · Sterling · Structure no. 098600400000000

Built
1963
62 years old, rebuilt 1995
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
468 ft
7 main spans
Daily traffic
7,700
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Avenue G over Bn RR & Wallace ST is a steel continuous stringer/multi-beam or girder carrying Avenue G over Bn RR & Wallace ST in Whiteside 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 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 7,700 vehicles a day, roughly 7% of them trucks, projected to reach 7,777 by 2046. The structure is 468 ft (142.6 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAvenue G
CrossesBn RR & Wallace ST
LocationSterling
Coordinates41.78654, -89.70612
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.2 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length468 ft (142.6 m)
Longest span90 ft (27.4 m)
Deck width39 ft (11.9 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2021)
Projected traffic7,777 by 2046
Trucks7%
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

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 Avenue G over Bn RR & Wallace ST built?

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

What condition is Avenue G over Bn RR & Wallace ST 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 December 2024.

How much traffic does Avenue G over Bn RR & Wallace ST carry?

About 7,700 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Avenue G over Bn RR & Wallace ST?

The structure is 468 ft (142.6 m) long with a longest span of 90 ft (27.4 m) and a deck 39 ft wide.

Who owns Avenue G over Bn RR & Wallace ST?

It is owned by the City or Municipal Highway Agency.