US Bridges

Ottawa Ave over Nettle Creek

Good

Grundy County, Illinois · 950 F&s. Fremont · Structure no. 032700600000000

Built
1971
54 years old, rebuilt 2011
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
115 ft
3 main spans
Daily traffic
2,100
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ottawa Ave over Nettle Creek is a prestressed concrete box beam or girders - multiple carrying Ottawa Ave over Nettle Creek in Grundy County, Illinois. It was built in 1971 and reconstructed in 2011, so it is 54 years old, older 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 2,100 vehicles a day, roughly 5% of them trucks, projected to reach 2,940 by 2046. The structure is 115 ft (35.1 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesOttawa Ave
CrossesNettle Creek
Location950 F&s. Fremont
Coordinates41.3573, -88.44035
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span38 ft (11.6 m)
Deck width47 ft (14.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2024)
Projected traffic2,940 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ottawa Ave over Nettle Creek built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2011.

What condition is Ottawa Ave over Nettle 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 June 2023.

How much traffic does Ottawa Ave over Nettle Creek carry?

About 2,100 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ottawa Ave over Nettle Creek?

The structure is 115 ft (35.1 m) long with a longest span of 38 ft (11.6 m) and a deck 47 ft wide.

Who owns Ottawa Ave over Nettle Creek?

It is owned by the City or Municipal Highway Agency.