US Bridges

Inman RD over Howard County

Good

Howard County, Nebraska · .4N ST Paul · Structure no. C004733115

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
110
2003 count
Owner
County
County Highway Agency

About this bridge

Inman RD over Howard County is a steel culvert carrying Inman RD over Howard County in Howard County, Nebraska. It was built in 2021, so it is 4 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 110 vehicles a day, roughly 10% of them trucks, projected to reach 187 by 2033. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 12.4 mi (20 km).

CarriesInman RD
CrossesHoward County
Location.4N ST Paul
RouteCounty Highway 331
Coordinates41.22478, -98.46002
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckOther
Main spans2
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2003)
Projected traffic187 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 Inman RD over Howard County built?

It was built in 2021, making it 4 years old in 2025.

What condition is Inman RD over Howard County 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 October 2023.

How much traffic does Inman RD over Howard County carry?

About 110 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is Inman RD over Howard County?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns Inman RD over Howard County?

It is owned by the County Highway Agency.