US Bridges

Walnut ST over Snag Creek

Good

Woodford County, Illinois · 0.19 MI W of Ill 89 · Structure no. 102740500000000

Built
2007
18 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
250
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut ST over Snag Creek is a prestressed concrete box beam or girders - multiple carrying Walnut ST over Snag Creek in Woodford County, Illinois. It was built in 2007, so it is 18 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 250 vehicles a day, roughly 8% of them trucks, projected to reach 253 by 2046. The structure is 62 ft (18.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesWalnut ST
CrossesSnag Creek
Location0.19 MI W of Ill 89
RouteCity Street 0
CountyWoodford County
StateIllinois
Coordinates40.91823, -89.2949
Functional classRural Local

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span60 ft (18.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic253 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Walnut ST over Snag Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Walnut ST over Snag Creek 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 November 2022.

How much traffic does Walnut ST over Snag Creek carry?

About 250 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Walnut ST over Snag Creek?

The structure is 62 ft (18.8 m) long with a longest span of 60 ft (18.2 m) and a deck 24 ft wide.

Who owns Walnut ST over Snag Creek?

It is owned by the City or Municipal Highway Agency.