US Bridges

C20 130th ST over Truliner Creek

Good

Humboldt County, Iowa · Humboldt County · Structure no. 000000000029061

Built
2018
7 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
530
2019 count
Owner
County
County Highway Agency

About this bridge

C20 130th ST over Truliner Creek is a concrete culvert carrying C20 130th ST over Truliner Creek in Humboldt County, Iowa. It was built in 2018, so it is 7 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 530 vehicles a day, projected to reach 530 by 2044. The structure is 26 ft (7.9 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC20 130th ST
CrossesTruliner Creek
LocationHumboldt County
RouteCounty Highway 0
StateIowa
Coordinates42.86316, -94.20881
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2019)
Projected traffic530 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 C20 130th ST over Truliner Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is C20 130th ST over Truliner 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 November 2024.

How much traffic does C20 130th ST over Truliner Creek carry?

About 530 vehicles per day (2019 count).

How long is C20 130th ST over Truliner Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 22 ft wide.

Who owns C20 130th ST over Truliner Creek?

It is owned by the County Highway Agency.