US Bridges

Stanford Ave over NS RR & UP RR

Good

Sangamon County, Illinois · Stanford Ave · Structure no. 084994400000000

Built
1999
26 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
221 ft
3 main spans
Daily traffic
22,300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stanford Ave over NS RR & UP RR is a steel continuous stringer/multi-beam or girder carrying Stanford Ave over NS RR & UP RR in Sangamon County, Illinois. It was built in 1999, so it is 26 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 22,300 vehicles a day, roughly 3% of them trucks, projected to reach 21,917 by 2046. The structure is 221 ft (67.3 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStanford Ave
CrossesNS RR & UP RR
LocationStanford Ave
Coordinates39.76604, -89.65522
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length221 ft (67.3 m)
Longest span94 ft (28.7 m)
Deck width94 ft (28.5 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,300 (2023)
Projected traffic21,917 by 2046
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Stanford Ave over NS RR & UP RR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Stanford Ave over NS RR & UP RR 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 April 2023.

How much traffic does Stanford Ave over NS RR & UP RR carry?

About 22,300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Stanford Ave over NS RR & UP RR?

The structure is 221 ft (67.3 m) long with a longest span of 94 ft (28.7 m) and a deck 94 ft wide.

Who owns Stanford Ave over NS RR & UP RR?

It is owned by the City or Municipal Highway Agency.