US Bridges

Etna Road over Humbarger #12

Good

Whitley County, Indiana · 00.10 E SR 19 · Structure no. 9200005

Built
2006
19 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
300
2014 count
Owner
County
County Highway Agency

About this bridge

Etna Road over Humbarger #12 is a steel stringer/multi-beam or girder carrying Etna Road over Humbarger #12 in Whitley County, Indiana. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 4% of them trucks, projected to reach 500 by 2038. The structure is 54 ft (16.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEtna Road
CrossesHumbarger #12
Location00.10 E SR 19
RouteCounty Highway 0
StateIndiana
Coordinates41.19129, -85.48978
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.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.6 m)
Longest span50 ft (15.3 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2014)
Projected traffic500 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Etna Road over Humbarger #12 built?

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

What condition is Etna Road over Humbarger #12 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 March 2024.

How much traffic does Etna Road over Humbarger #12 carry?

About 300 vehicles per day (2014 count), of which roughly 4% are trucks.

How long is Etna Road over Humbarger #12?

The structure is 54 ft (16.6 m) long with a longest span of 50 ft (15.3 m) and a deck 32 ft wide.

Who owns Etna Road over Humbarger #12?

It is owned by the County Highway Agency.