US Bridges

City St. over Grand Ave. under

Poor

Garfield County, Oklahoma · .9 N US 412 on Grand Ave. · Structure no. 282100000000000

Built
1957
68 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
24
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

City St. over Grand Ave. under is a steel stringer/multi-beam or girder carrying City St. over Grand Ave. under in Garfield County, Oklahoma. It was built in 1957, so it is 68 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 24 vehicles a day, roughly 5% of them trucks, projected to reach 38 by 2042. The structure is 68 ft (20.8 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesCity St.
CrossesGrand Ave. under
Location.9 N US 412 on Grand Ave.
RouteCity Street 0
CountyGarfield County
StateOklahoma
Coordinates36.40481, -97.87842
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.8 m)
Longest span67 ft (20.3 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$454,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was City St. over Grand Ave. under built?

It was built in 1957, making it 68 years old in 2025.

What condition is City St. over Grand Ave. under in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does City St. over Grand Ave. under carry?

About 24 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is City St. over Grand Ave. under?

The structure is 68 ft (20.8 m) long with a longest span of 67 ft (20.3 m) and a deck 32 ft wide.

Who owns City St. over Grand Ave. under?

It is owned by the City or Municipal Highway Agency.