US Bridges

W Sandwich Road over Br. Littlr Rock Crk.

Fair

DeKalb County, Illinois · 615N 1630E · Structure no. 019542400000000

Built
1979
46 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

W Sandwich Road over Br. Littlr Rock Crk. is a steel culvert carrying W Sandwich Road over Br. Littlr Rock Crk. in DeKalb County, Illinois. It was built in 1979, so it is 46 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, projected to reach 56 by 2046. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesW Sandwich Road
CrossesBr. Littlr Rock Crk.
Location615N 1630E
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates41.72158, -88.63587
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic56 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 W Sandwich Road over Br. Littlr Rock Crk. built?

It was built in 1979, making it 46 years old in 2025.

What condition is W Sandwich Road over Br. Littlr Rock Crk. in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does W Sandwich Road over Br. Littlr Rock Crk. carry?

About 50 vehicles per day (2021 count).

How long is W Sandwich Road over Br. Littlr Rock Crk.?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns W Sandwich Road over Br. Littlr Rock Crk.?

It is owned by the Town or Township Highway Agency.