US Bridges

Denver Trail over Martin Br

Good

Gentry County, Missouri · S 6 T 64 N R 30 W · Structure no. 15964

Built
2000
25 years old
Condition
Good
inspected January 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Denver Trail over Martin Br is a prestressed concrete continuous tee beam carrying Denver Trail over Martin Br in Gentry County, Missouri. It was built in 2000, so it is 25 years old, younger than the Missouri average of 45.1 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 23 by 2044. The structure is 120 ft (36.6 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDenver Trail
CrossesMartin Br
LocationS 6 T 64 N R 30 W
RouteCounty Highway 105
Coordinates40.38215, -94.3189
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.3 US tons
Inventory rating54.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span48 ft (14.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic23 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Denver Trail over Martin Br built?

It was built in 2000, making it 25 years old in 2025.

What condition is Denver Trail over Martin Br 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 January 2023.

How much traffic does Denver Trail over Martin Br carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Denver Trail over Martin Br?

The structure is 120 ft (36.6 m) long with a longest span of 48 ft (14.6 m) and a deck 25 ft wide.

Who owns Denver Trail over Martin Br?

It is owned by the County Highway Agency.