US Bridges

TR-10A over Bugaboo Creek

Good

Lawrence County, Illinois · 2.5 MI Nnwsumner · Structure no. 051325700000000

Built
1991
34 years old
Condition
Good
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
20
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-10A over Bugaboo Creek is a prestressed concrete box beam or girders - multiple carrying TR-10A over Bugaboo Creek in Lawrence County, Illinois. It was built in 1991, so it is 34 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2046. The structure is 62 ft (18.8 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR-10A
CrossesBugaboo Creek
Location2.5 MI Nnwsumner
RouteCounty Highway 0
Coordinates38.76246, -87.88979
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (18.8 m)
Longest span59 ft (17.9 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2021)
Projected traffic20 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 TR-10A over Bugaboo Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is TR-10A over Bugaboo 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 2023.

How much traffic does TR-10A over Bugaboo Creek carry?

About 20 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is TR-10A over Bugaboo Creek?

The structure is 62 ft (18.8 m) long with a longest span of 59 ft (17.9 m) and a deck 24 ft wide.

Who owns TR-10A over Bugaboo Creek?

It is owned by the Town or Township Highway Agency.