US Bridges

N3934 (reading ST over Dirty Butter Creek

Fair

Osage County, Oklahoma · 1300 W. Reading St. · Structure no. 145340000000000

Built
1960
65 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N3934 (reading ST over Dirty Butter Creek is a concrete culvert carrying N3934 (reading ST over Dirty Butter Creek in Osage County, Oklahoma. It was built in 1960, so it is 65 years old, older 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 21 ft (6.3 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesN3934 (reading ST
CrossesDirty Butter Creek
Location1300 W. Reading St.
RouteCity Street N3934
Coordinates36.17862, -96.00612
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width56 ft (17.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3934 (reading ST over Dirty Butter Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is N3934 (reading ST over Dirty Butter 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 November 2023.

How much traffic does N3934 (reading ST over Dirty Butter Creek carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N3934 (reading ST over Dirty Butter Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 56 ft wide.

Who owns N3934 (reading ST over Dirty Butter Creek?

It is owned by the City or Municipal Highway Agency.