US Bridges

E 400 ST over Trib of Tombstone

FairPosted for load

Harrison County, Missouri · S 27 T 62 N R 26 W · Structure no. 25194

Built
1990
35 years old, rebuilt 1995
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
2 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

E 400 ST over Trib of Tombstone is a steel stringer/multi-beam or girder carrying E 400 ST over Trib of Tombstone in Harrison County, Missouri. It was built in 1990 and reconstructed in 1995, so it is 35 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 30 ft (9.1 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE 400 ST
CrossesTrib of Tombstone
LocationS 27 T 62 N R 26 W
RouteCounty Highway 666
Coordinates40.13315, -93.80551
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.8 US tons
Inventory rating15.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length30 ft (9.1 m)
Longest span14 ft (4.4 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic40 by 2044
Trucks10%
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 E 400 ST over Trib of Tombstone built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 1995.

What condition is E 400 ST over Trib of Tombstone 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 January 2024.

How much traffic does E 400 ST over Trib of Tombstone carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is E 400 ST over Trib of Tombstone?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.4 m) and a deck 18 ft wide.

Who owns E 400 ST over Trib of Tombstone?

It is owned by the County Highway Agency.