US Bridges

N4170 over Yellow Water Ditch

Fair

Wagoner County, Oklahoma · 5.4S 1E of SH51B/104 Int · Structure no. 303500000000000

Built
2010
15 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
24
2022 count
Owner
County
County Highway Agency

About this bridge

N4170 over Yellow Water Ditch is a steel stringer/multi-beam or girder carrying N4170 over Yellow Water Ditch in Wagoner County, Oklahoma. It was built in 2010, so it is 15 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 24 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2042. The structure is 60 ft (18.3 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesN4170
CrossesYellow Water Ditch
Location5.4S 1E of SH51B/104 Int
RouteCounty Highway N4170
Coordinates35.79139, -95.58889
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.5 US tons
Inventory rating32.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24 (2022)
Projected traffic38 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 N4170 over Yellow Water Ditch built?

It was built in 2010, making it 15 years old in 2025.

What condition is N4170 over Yellow Water Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does N4170 over Yellow Water Ditch carry?

About 24 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4170 over Yellow Water Ditch?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 25 ft wide.

Who owns N4170 over Yellow Water Ditch?

It is owned by the County Highway Agency.