US Bridges

N3050 (2512C) over Happy Hollow Trib.

Good

Garvin County, Oklahoma · 2.5E 1S of Erin · Structure no. 312500000000000

Built
2019
6 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
245 ft
3 main spans
Daily traffic
120
2022 count
Owner
County
County Highway Agency

About this bridge

N3050 (2512C) over Happy Hollow Trib. is a prestressed concrete stringer/multi-beam or girder carrying N3050 (2512C) over Happy Hollow Trib. in Garvin County, Oklahoma. It was built in 2019, so it is 6 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 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 120 vehicles a day, roughly 15% of them trucks, projected to reach 192 by 2042. The structure is 245 ft (74.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN3050 (2512C)
CrossesHappy Hollow Trib.
Location2.5E 1S of Erin
RouteCounty Highway N3050
CountyGarvin County
StateOklahoma
Coordinates34.79739, -97.56276
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
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span105 ft (32 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2022)
Projected traffic192 by 2042
Trucks15%
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 N3050 (2512C) over Happy Hollow Trib. built?

It was built in 2019, making it 6 years old in 2025.

What condition is N3050 (2512C) over Happy Hollow Trib. 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 N3050 (2512C) over Happy Hollow Trib. carry?

About 120 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N3050 (2512C) over Happy Hollow Trib.?

The structure is 245 ft (74.7 m) long with a longest span of 105 ft (32 m) and a deck 29 ft wide.

Who owns N3050 (2512C) over Happy Hollow Trib.?

It is owned by the County Highway Agency.