US Bridges

Main ST Washburn over Snag Creek

Fair

Woodford County, Illinois · 0.1 Mile N.Water ST · Structure no. 102740300000000

Built
1994
31 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
425
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main ST Washburn over Snag Creek is a prestressed concrete box beam or girders - multiple carrying Main ST Washburn over Snag Creek in Woodford County, Illinois. It was built in 1994, so it is 31 years old, younger 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 425 vehicles a day, roughly 8% of them trucks, projected to reach 429 by 2046. The structure is 53 ft (16.2 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain ST Washburn
CrossesSnag Creek
Location0.1 Mile N.Water ST
RouteCity Street 0
Coordinates40.92213, -89.29639
Functional classRural Local

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
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

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span46 ft (14.1 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2020)
Projected traffic429 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 Main ST Washburn over Snag Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Main ST Washburn over Snag Creek 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 November 2024.

How much traffic does Main ST Washburn over Snag Creek carry?

About 425 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Main ST Washburn over Snag Creek?

The structure is 53 ft (16.2 m) long with a longest span of 46 ft (14.1 m) and a deck 32 ft wide.

Who owns Main ST Washburn over Snag Creek?

It is owned by the City or Municipal Highway Agency.