US Bridges

Oaktown Road over Branch of Mariah Creek

Good

Knox County, Indiana · 00.32 S of Pepmeier Road · Structure no. 4200531

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
380
2019 count
Owner
County
County Highway Agency

About this bridge

Oaktown Road over Branch of Mariah Creek is a steel stringer/multi-beam or girder carrying Oaktown Road over Branch of Mariah Creek in Knox County, Indiana. It was built in 2019, so it is 6 years old, younger than the Indiana average of 46.6 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 380 vehicles a day, roughly 5% of them trucks, projected to reach 600 by 2039. The structure is 56 ft (17 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesOaktown Road
CrossesBranch of Mariah Creek
Location00.32 S of Pepmeier Road
RouteCounty Highway 0
StateIndiana
Coordinates38.82666, -87.36714
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.9 US tons
Inventory rating35.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17 m)
Longest span54 ft (16.6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2019)
Projected traffic600 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Oaktown Road over Branch of Mariah Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Oaktown Road over Branch of Mariah 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 September 2023.

How much traffic does Oaktown Road over Branch of Mariah Creek carry?

About 380 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Oaktown Road over Branch of Mariah Creek?

The structure is 56 ft (17 m) long with a longest span of 54 ft (16.6 m) and a deck 24 ft wide.

Who owns Oaktown Road over Branch of Mariah Creek?

It is owned by the County Highway Agency.