US Bridges

TR71 over Stream

Good

Montgomery County, Illinois · 1.5 MI S Waggoner · Structure no. 068502900000000

Built
1984
41 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR71 over Stream is a concrete continuous culvert carrying TR71 over Stream in Montgomery County, Illinois. It was built in 1984, so it is 41 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, roughly 6% of them trucks, projected to reach 51 by 2046. The structure is 25 ft (7.5 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR71
CrossesStream
Location1.5 MI S Waggoner
RouteCounty Highway 0
Coordinates39.35563, -89.65101
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks6%
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 TR71 over Stream built?

It was built in 1984, making it 41 years old in 2025.

What condition is TR71 over Stream 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 2025.

How much traffic does TR71 over Stream carry?

About 50 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is TR71 over Stream?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns TR71 over Stream?

It is owned by the Town or Township Highway Agency.