US Bridges

13th Ave over Branch of Stein Creek

Good

Benton County, Iowa · 084122702 · Structure no. 000000000364035

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Slab
Steel
Length
36 ft
1 main span
Daily traffic
15
2021 count
Owner
County
County Highway Agency

About this bridge

13th Ave over Branch of Stein Creek is a steel slab carrying 13th Ave over Branch of Stein Creek in Benton County, Iowa. It was built in 1998, so it is 27 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 15 vehicles a day, projected to reach 15 by 2043. The structure is 36 ft (11 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries13th Ave
CrossesBranch of Stein Creek
Location084122702
RouteCounty Highway 0
StateIowa
Coordinates42.0564, -92.2412
Functional classRural Minor 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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2021)
Projected traffic15 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 13th Ave over Branch of Stein Creek built?

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

What condition is 13th Ave over Branch of Stein 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 April 2023.

How much traffic does 13th Ave over Branch of Stein Creek carry?

About 15 vehicles per day (2021 count).

How long is 13th Ave over Branch of Stein Creek?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 31 ft wide.

Who owns 13th Ave over Branch of Stein Creek?

It is owned by the County Highway Agency.