D4030 over Chun Creek

Good

Pittsburg County, Oklahoma · 2.3MI.S of Savanna · Structure no. 283780000000000

Built: 2006; 19 years old
Condition: Good; inspected August 2023
Type: Tee Beam; Prestressed Concrete
Length: 51 ft; 1 main span
Daily traffic: 100; 2022 count
Owner: County; County Highway Agency

About this bridge

D4030 over Chun Creek is a prestressed concrete tee beam carrying D4030 over Chun Creek in Pittsburg County, Oklahoma. It was built in 2006, so it is 19 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2042. The structure is 51 ft (15.4 m) long and 28 ft wide. If it were closed, the detour would be 4.3 mi (7 km).

Location

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CarriesD4030

CrossesChun Creek

Location2.3MI.S of Savanna

RouteCounty Highway D4030

CountyPittsburg County

StateOklahoma

Coordinates34.79077, -95.84081

Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionAugust 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation8: Equal to present desirable criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating70 US tons

Inventory rating36 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, cast-in-place

Main spans1

Design loadHS 20

Structure length51 ft (15.4 m)

Longest span47 ft (14.2 m)

Deck width28 ft (8.5 m)

Roadway width26 ft (8 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 closed4.3 mi (7 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$294,000

NavigationNo navigation control on waterway

Frequently asked questions

When was D4030 over Chun Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is D4030 over Chun Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does D4030 over Chun Creek carry?

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

How long is D4030 over Chun Creek?

The structure is 51 ft (15.4 m) long with a longest span of 47 ft (14.2 m) and a deck 28 ft wide.

Who owns D4030 over Chun Creek?

It is owned by the County Highway Agency.