US Bridges

Lynx Avenue over Small Stream

Good

Plymouth County, Iowa · 092453302 · Structure no. 000000000274741

Built
1987
38 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Lynx Avenue over Small Stream is a concrete continuous slab carrying Lynx Avenue over Small Stream in Plymouth County, Iowa. It was built in 1987, so it is 38 years old, younger than the Iowa average of 45.5 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, projected to reach 50 by 2044. The structure is 113 ft (34.4 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLynx Avenue
CrossesSmall Stream
Location092453302
RouteCounty Highway 0
StateIowa
Coordinates42.73952, -96.17547
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.4 m)
Longest span44 ft (13.4 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2044
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lynx Avenue over Small Stream built?

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

What condition is Lynx Avenue over Small Stream 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 Lynx Avenue over Small Stream carry?

About 50 vehicles per day (2022 count).

How long is Lynx Avenue over Small Stream?

The structure is 113 ft (34.4 m) long with a longest span of 44 ft (13.4 m) and a deck 25 ft wide.

Who owns Lynx Avenue over Small Stream?

It is owned by the County Highway Agency.