US Bridges

Township Road 37A over Bureau Creek

Good

Bureau County, Illinois · 1 MI N of Lamoille · Structure no. 006440200000000

Built
1983
42 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
114 ft
1 main span
Daily traffic
50
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road 37A over Bureau Creek is a steel stringer/multi-beam or girder carrying Township Road 37A over Bureau Creek in Bureau County, Illinois. It was built in 1983, so it is 42 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 114 ft (34.7 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTownship Road 37A
CrossesBureau Creek
Location1 MI N of Lamoille
RouteCounty Highway 0
Coordinates41.55338, -89.27955
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span75 ft (22.9 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 closed5 mi (8 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 37A over Bureau Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Township Road 37A over 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 November 2023.

How much traffic does Township Road 37A over Bureau Creek carry?

About 50 vehicles per day (2010 count).

How long is Township Road 37A over Bureau Creek?

The structure is 114 ft (34.7 m) long with a longest span of 75 ft (22.9 m) and a deck 27 ft wide.

Who owns Township Road 37A over Bureau Creek?

It is owned by the Town or Township Highway Agency.