US Bridges

N4700 over Hog Eye Creek

Fair

Delaware County, Oklahoma · 4.3S of S.H. 20 · Structure no. 295830000000000

Built
2011
14 years old
Condition
Fair
inspected February 2023
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

N4700 over Hog Eye Creek is a concrete frame carrying N4700 over Hog Eye Creek in Delaware County, Oklahoma. It was built in 2011, so it is 14 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 30 ft (9.1 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesN4700
CrossesHog Eye Creek
Location4.3S of S.H. 20
RouteCounty Highway N4700
Coordinates36.36167, -94.63028
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating60.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 N4700 over Hog Eye Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is N4700 over Hog Eye 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 February 2023.

How much traffic does N4700 over Hog Eye Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4700 over Hog Eye Creek?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 33 ft wide.

Who owns N4700 over Hog Eye Creek?

It is owned by the County Highway Agency.