US Bridges

N 2nd ST over Whitman ST

Fair

Winnebago County, Illinois · Whitman Interchange · Structure no. 101620100000000

Built
1963
62 years old, rebuilt 2003
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
192 ft
3 main spans
Daily traffic
8,200
2023 count
Owner
State
State Highway Agency

About this bridge

N 2nd ST over Whitman ST is a steel stringer/multi-beam or girder carrying N 2nd ST over Whitman ST in Winnebago County, Illinois. It was built in 1963 and reconstructed in 2003, 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 8,200 vehicles a day, roughly 5% of them trucks, projected to reach 8,080 by 2046. The structure is 192 ft (58.5 m) long and 67 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesN 2nd ST
CrossesWhitman ST
LocationWhitman Interchange
RouteState Highway 251
CountyWinnebago County
StateIllinois
Coordinates42.27516, -89.08049
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 rating83.9 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span94 ft (28.7 m)
Deck width67 ft (20.4 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2023)
Projected traffic8,080 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was N 2nd ST over Whitman ST built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2003.

What condition is N 2nd ST over Whitman ST 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 September 2024.

How much traffic does N 2nd ST over Whitman ST carry?

About 8,200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is N 2nd ST over Whitman ST?

The structure is 192 ft (58.5 m) long with a longest span of 94 ft (28.7 m) and a deck 67 ft wide.

Who owns N 2nd ST over Whitman ST?

It is owned by the State Highway Agency.