US Bridges

IH 10 over Hart Mill Arroyo

Fair

El Paso County, Texas · 1.10 MI of SH 20(MESA) · Structure no. 240720212102190

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
135,975
2022 count
Owner
State
State Highway Agency

About this bridge

IH 10 over Hart Mill Arroyo is a concrete culvert carrying IH 10 over Hart Mill Arroyo in El Paso County, Texas. It was built in 1968, so it is 57 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 135,975 vehicles a day, roughly 8% of them trucks, projected to reach 190,365 by 2042. The structure is 20 ft (6.1 m) long and 257 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIH 10
CrossesHart Mill Arroyo
Location1.10 MI of SH 20(MESA)
RouteInterstate 10
CountyEl Paso County
StateTexas
Coordinates31.76365, -106.50611
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width257 ft (78.3 m)
Roadway width208 ft (63.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic135,975 (2022)
Projected traffic190,365 by 2042
Trucks8%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 10 over Hart Mill Arroyo built?

It was built in 1968, making it 57 years old in 2025.

What condition is IH 10 over Hart Mill Arroyo 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 August 2023.

How much traffic does IH 10 over Hart Mill Arroyo carry?

About 135,975 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is IH 10 over Hart Mill Arroyo?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 257 ft wide.

Who owns IH 10 over Hart Mill Arroyo?

It is owned by the State Highway Agency.