US Bridges

Crego Road (tr 154 over Little Rock Creek

Good

DeKalb County, Illinois · 1450N 1100E · Structure no. 019501500000000

Built
1998
27 years old
Condition
Good
inspected March 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Crego Road (tr 154 over Little Rock Creek is a concrete culvert carrying Crego Road (tr 154 over Little Rock Creek in DeKalb County, Illinois. It was built in 1998, so it is 27 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, roughly 2% of them trucks, projected to reach 56 by 2046. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCrego Road (tr 154
CrossesLittle Rock Creek
Location1450N 1100E
RouteCounty Highway 0
Coordinates41.83543, -88.73447
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior 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 length22 ft (6.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic56 by 2046
Trucks2%
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 Crego Road (tr 154 over Little Rock Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Crego Road (tr 154 over Little Rock 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 March 2022.

How much traffic does Crego Road (tr 154 over Little Rock Creek carry?

About 50 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Crego Road (tr 154 over Little Rock Creek?

The structure is 22 ft (6.8 m) long with a longest span of 10 ft (3 m).

Who owns Crego Road (tr 154 over Little Rock Creek?

It is owned by the Town or Township Highway Agency.