US Bridges

C49 590th ST over Drainage Ditch 101

Good

Buena Vista County, Iowa · 091353201 · Structure no. 000000000366440

Built
2018
7 years old
Condition
Good
inspected June 2022
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,097
2022 count
Owner
County
County Highway Agency

About this bridge

C49 590th ST over Drainage Ditch 101 is a concrete culvert carrying C49 590th ST over Drainage Ditch 101 in Buena Vista 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 1,097 vehicles a day, projected to reach 1,097 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesC49 590th ST
CrossesDrainage Ditch 101
Location091353201
RouteCounty Highway 0
StateIowa
Coordinates42.66171, -95.0098
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 inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,097 (2022)
Projected traffic1,097 by 2043
Trucks0%
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

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 C49 590th ST over Drainage Ditch 101 built?

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

What condition is C49 590th ST over Drainage Ditch 101 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 2022.

How much traffic does C49 590th ST over Drainage Ditch 101 carry?

About 1,097 vehicles per day (2022 count).

How long is C49 590th ST over Drainage Ditch 101?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns C49 590th ST over Drainage Ditch 101?

It is owned by the County Highway Agency.