US Bridges

130th ST over Unnamed Stream

Good

Delaware County, Iowa · 090051901 · Structure no. 000000000142521

Built
2022
3 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
45
2017 count
Owner
County
County Highway Agency

About this bridge

130th ST over Unnamed Stream is a concrete slab carrying 130th ST over Unnamed Stream in Delaware County, Iowa. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45 vehicles a day, projected to reach 45 by 2044. The structure is 42 ft (12.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries130th ST
CrossesUnnamed Stream
Location090051901
RouteCounty Highway 0
StateIowa
Coordinates42.60042, -91.48408
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2017)
Projected traffic45 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 130th ST over Unnamed Stream built?

It was built in 2022, making it 3 years old in 2025.

What condition is 130th ST over Unnamed 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 April 2024.

How much traffic does 130th ST over Unnamed Stream carry?

About 45 vehicles per day (2017 count).

How long is 130th ST over Unnamed Stream?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns 130th ST over Unnamed Stream?

It is owned by the County Highway Agency.