US Bridges

N Center Drive over Br Straddle Creek

Good

Carroll County, Illinois · 1 MI E of Lanark · Structure no. 008381900000000

Built
1987
38 years old
Condition
Good
inspected May 2023
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
200
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

N Center Drive over Br Straddle Creek is a concrete channel beam carrying N Center Drive over Br Straddle Creek in Carroll County, Illinois. It was built in 1987, so it is 38 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 202 by 2046. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN Center Drive
CrossesBr Straddle Creek
Location1 MI E of Lanark
RouteCounty Highway 0
CountyCarroll County
StateIllinois
Coordinates42.10339, -89.80369
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic202 by 2046
Trucks5%
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 N Center Drive over Br Straddle Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is N Center Drive over Br Straddle 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 May 2023.

How much traffic does N Center Drive over Br Straddle Creek carry?

About 200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is N Center Drive over Br Straddle Creek?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 26 ft wide.

Who owns N Center Drive over Br Straddle Creek?

It is owned by the Town or Township Highway Agency.