US Bridges

S.H. 9 over Granite Cr.-Flynn Branch

Good

Greer County, Oklahoma · 5.8 MI E of JCT U.S. 283 · Structure no. 212550000000000

Built
1986
39 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
1,200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 9 over Granite Cr.-Flynn Branch is a concrete culvert carrying S.H. 9 over Granite Cr.-Flynn Branch in Greer County, Oklahoma. It was built in 1986, so it is 39 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 1,200 vehicles a day, roughly 15% of them trucks, projected to reach 1,920 by 2042. The structure is 46 ft (14 m) long and 49 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesS.H. 9
CrossesGranite Cr.-Flynn Branch
Location5.8 MI E of JCT U.S. 283
RouteState Highway 9
CountyGreer County
StateOklahoma
Coordinates34.95793, -99.40243
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.6 US tons
Inventory rating29.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (14 m)
Longest span17 ft (5.2 m)
Deck width49 ft (14.9 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2022)
Projected traffic1,920 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 9 over Granite Cr.-Flynn Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is S.H. 9 over Granite Cr.-Flynn Branch 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 September 2023.

How much traffic does S.H. 9 over Granite Cr.-Flynn Branch carry?

About 1,200 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 9 over Granite Cr.-Flynn Branch?

The structure is 46 ft (14 m) long with a longest span of 17 ft (5.2 m) and a deck 49 ft wide.

Who owns S.H. 9 over Granite Cr.-Flynn Branch?

It is owned by the State Highway Agency.