US Bridges

N1830 (0532C) over Haystack Creek

Good

Beckham County, Oklahoma · 2.0 W 3.9 S of Delhi · Structure no. 199140000000000

Built
1981
44 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
42 ft
3 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

N1830 (0532C) over Haystack Creek is a concrete culvert carrying N1830 (0532C) over Haystack Creek in Beckham County, Oklahoma. It was built in 1981, so it is 44 years old, younger than the Oklahoma average of 47.8 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 25 vehicles a day, roughly 15% of them trucks, projected to reach 40 by 2042. The structure is 42 ft (12.8 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesN1830 (0532C)
CrossesHaystack Creek
Location2.0 W 3.9 S of Delhi
RouteCounty Highway N1830
Coordinates35.12261, -99.71194
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span14 ft (4.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N1830 (0532C) over Haystack Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is N1830 (0532C) over Haystack 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 March 2024.

How much traffic does N1830 (0532C) over Haystack Creek carry?

About 25 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N1830 (0532C) over Haystack Creek?

The structure is 42 ft (12.8 m) long with a longest span of 14 ft (4.3 m) and a deck 32 ft wide.

Who owns N1830 (0532C) over Haystack Creek?

It is owned by the County Highway Agency.