US Bridges

Township Road 177 over W Bureau Creek

Good

Bureau County, Illinois · 4.5 M N of Wyanet · Structure no. 006455200000000

Built
1987
38 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
50
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road 177 over W Bureau Creek is a prestressed concrete box beam or girders - multiple carrying Township Road 177 over W Bureau Creek in Bureau County, Illinois. It was built in 1987, so it is 38 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 77 ft (23.5 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTownship Road 177
CrossesW Bureau Creek
Location4.5 M N of Wyanet
RouteCounty Highway 0
CountyBureau County
StateIllinois
Coordinates41.43034, -89.56391
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 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 length77 ft (23.5 m)
Longest span74 ft (22.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2010)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Township Road 177 over W Bureau Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Township Road 177 over W Bureau 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 January 2024.

How much traffic does Township Road 177 over W Bureau Creek carry?

About 50 vehicles per day (2010 count).

How long is Township Road 177 over W Bureau Creek?

The structure is 77 ft (23.5 m) long with a longest span of 74 ft (22.6 m) and a deck 27 ft wide.

Who owns Township Road 177 over W Bureau Creek?

It is owned by the Town or Township Highway Agency.