US Bridges

N Shepherd DR over IH 10

Fair

Harris County, Texas · 2.7 MI E of IH 610 · Structure no. 121020027107308

Built
1967
58 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
265 ft
4 main spans
Daily traffic
15,620
2015 count
Owner
State
State Highway Agency

About this bridge

N Shepherd DR over IH 10 is a concrete continuous slab carrying N Shepherd DR over IH 10 in Harris County, Texas. It was built in 1967, so it is 58 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 5 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 15,620 vehicles a day, projected to reach 17,000 by 2035. The structure is 265 ft (80.8 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN Shepherd DR
CrossesIH 10
Location2.7 MI E of IH 610
RouteCity Street 51
CountyHarris County
StateTexas
Coordinates29.77756, -95.40963
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length265 ft (80.8 m)
Longest span82 ft (25 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,620 (2015)
Projected traffic17,000 by 2035
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$29,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was N Shepherd DR over IH 10 built?

It was built in 1967, making it 58 years old in 2025.

What condition is N Shepherd DR over IH 10 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 2024.

How much traffic does N Shepherd DR over IH 10 carry?

About 15,620 vehicles per day (2015 count).

How long is N Shepherd DR over IH 10?

The structure is 265 ft (80.8 m) long with a longest span of 82 ft (25 m) and a deck 58 ft wide.

Who owns N Shepherd DR over IH 10?

It is owned by the State Highway Agency.