US Bridges

Emnora LN W Po RD over Drainage Ditch

Fair

Harris County, Texas · 0.67 MI W of Hollister · Structure no. 121020B22433174

Built
1980
45 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
1,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Emnora LN W Po RD over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying Emnora LN W Po RD over Drainage Ditch in Harris County, Texas. It was built in 1980, so it is 45 years old, older than the Texas average of 44.4 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,000 by 2033. The structure is 42 ft (12.8 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEmnora LN W Po RD
CrossesDrainage Ditch
Location0.67 MI W of Hollister
RouteCity Street 0
StateTexas
Coordinates29.81595, -95.52086
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2018)
Projected traffic1,000 by 2033
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Emnora LN W Po RD over Drainage Ditch built?

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

What condition is Emnora LN W Po RD over Drainage Ditch 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 December 2023.

How much traffic does Emnora LN W Po RD over Drainage Ditch carry?

About 1,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Emnora LN W Po RD over Drainage Ditch?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Emnora LN W Po RD over Drainage Ditch?

It is owned by the City or Municipal Highway Agency.