US Bridges

E Walnut Gr RD-TR6 over Happy Hollow Creek

Good

Stephenson County, Illinois · 0.5 MI E Davis RD · Structure no. 089510700000000

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

E Walnut Gr RD-TR6 over Happy Hollow Creek is a concrete culvert carrying E Walnut Gr RD-TR6 over Happy Hollow Creek in Stephenson 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 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 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE Walnut Gr RD-TR6
CrossesHappy Hollow Creek
Location0.5 MI E Davis RD
RouteCounty Highway 0
Coordinates42.49047, -89.40962
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 inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic51 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 E Walnut Gr RD-TR6 over Happy Hollow Creek built?

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

What condition is E Walnut Gr RD-TR6 over Happy Hollow 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 October 2024.

How much traffic does E Walnut Gr RD-TR6 over Happy Hollow Creek carry?

About 50 vehicles per day (2020 count).

How long is E Walnut Gr RD-TR6 over Happy Hollow Creek?

The structure is 26 ft (7.9 m) long with a longest span of 13 ft (3.9 m).

Who owns E Walnut Gr RD-TR6 over Happy Hollow Creek?

It is owned by the Town or Township Highway Agency.