US Bridges

N3705 over Hominy Creek

Poor

Osage County, Oklahoma · 4N of Hominy · Structure no. 236930000000000

Built
1991
34 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N3705 over Hominy Creek is a prestressed concrete stringer/multi-beam or girder carrying N3705 over Hominy Creek in Osage County, Oklahoma. It was built in 1991, so it is 34 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 300 ft (91.4 m) long and 34 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

CarriesN3705
CrossesHominy Creek
Location4N of Hominy
RouteCounty Highway N3705
Coordinates36.48142, -96.39795
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating48.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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$891,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N3705 over Hominy Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is N3705 over Hominy Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does N3705 over Hominy Creek carry?

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

How long is N3705 over Hominy Creek?

The structure is 300 ft (91.4 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns N3705 over Hominy Creek?

It is owned by the County Highway Agency.