US Bridges

N4195 over Ash Creek

Fair

Pittsburg County, Oklahoma · 5.3 S 1. E Blocker · Structure no. 101090000000000

Built
1944
81 years old, rebuilt 1999
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
2 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

N4195 over Ash Creek is a steel stringer/multi-beam or girder carrying N4195 over Ash Creek in Pittsburg County, Oklahoma. It was built in 1944 and reconstructed in 1999, so it is 81 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 5 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 72 ft (21.9 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesN4195
CrossesAsh Creek
Location5.3 S 1. E Blocker
RouteCounty Highway N4195
Coordinates34.98143, -95.55186
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span36 ft (11 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4195 over Ash Creek built?

It was built in 1944, making it 81 years old in 2025. It was reconstructed in 1999.

What condition is N4195 over Ash 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 N4195 over Ash Creek carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4195 over Ash Creek?

The structure is 72 ft (21.9 m) long with a longest span of 36 ft (11 m) and a deck 12 ft wide.

Who owns N4195 over Ash Creek?

It is owned by the County Highway Agency.