US Bridges

Tunnelton Dennistn over Dalton Branch

Fair

Lawrence County, Indiana · 00.32 N of Mcintyre Btm · Structure no. 4700139

Built
1980
45 years old, rebuilt 2014
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
75
2016 count
Owner
County
County Highway Agency

About this bridge

Tunnelton Dennistn over Dalton Branch is a steel stringer/multi-beam or girder carrying Tunnelton Dennistn over Dalton Branch in Lawrence County, Indiana. It was built in 1980 and reconstructed in 2014, so it is 45 years old, younger than the Indiana average of 46.6 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 75 vehicles a day, roughly 5% of them trucks, projected to reach 157 by 2036. The structure is 67 ft (20.5 m) long and 21 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesTunnelton Dennistn
CrossesDalton Branch
Location00.32 N of Mcintyre Btm
RouteCounty Highway 0
StateIndiana
Coordinates38.80913, -86.33051
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.6 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length67 ft (20.5 m)
Longest span57 ft (17.5 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2016)
Projected traffic157 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Tunnelton Dennistn over Dalton Branch built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2014.

What condition is Tunnelton Dennistn over Dalton Branch 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 June 2024.

How much traffic does Tunnelton Dennistn over Dalton Branch carry?

About 75 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Tunnelton Dennistn over Dalton Branch?

The structure is 67 ft (20.5 m) long with a longest span of 57 ft (17.5 m) and a deck 21 ft wide.

Who owns Tunnelton Dennistn over Dalton Branch?

It is owned by the County Highway Agency.