US Bridges

N3470 (stiles Rd.) over Elm Creek

Fair

Payne County, Oklahoma · 1.8S; 3W of S.H. 33/18 · Structure no. 299510000000000

Built
2013
12 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

N3470 (stiles Rd.) over Elm Creek is a steel stringer/multi-beam or girder carrying N3470 (stiles Rd.) over Elm Creek in Payne County, Oklahoma. It was built in 2013, so it is 12 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2042. The structure is 45 ft (13.8 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN3470 (stiles Rd.)
CrossesElm Creek
Location1.8S; 3W of S.H. 33/18
RouteCounty Highway N3470
Coordinates35.95972, -96.82028
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length45 ft (13.8 m)
Longest span44 ft (13.3 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic100 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$299,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3470 (stiles Rd.) over Elm Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is N3470 (stiles Rd.) over Elm Creek 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 September 2023.

How much traffic does N3470 (stiles Rd.) over Elm Creek carry?

About 50 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3470 (stiles Rd.) over Elm Creek?

The structure is 45 ft (13.8 m) long with a longest span of 44 ft (13.3 m) and a deck 26 ft wide.

Who owns N3470 (stiles Rd.) over Elm Creek?

It is owned by the County Highway Agency.