US Bridges

FM 3503 over Monahans Draw

Fair

Ector County, Texas · 0.40 MI N of Loop 338 · Structure no. 060690357001001

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
186 ft
15 main spans
Daily traffic
1,977
2022 count
Owner
State
State Highway Agency

About this bridge

FM 3503 over Monahans Draw is a concrete culvert carrying FM 3503 over Monahans Draw in Ector County, Texas. It was built in 1970, so it is 55 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 1,977 vehicles a day, roughly 37% of them trucks, projected to reach 1,570 by 2033. The structure is 186 ft (56.7 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM 3503
CrossesMonahans Draw
Location0.40 MI N of Loop 338
RouteState Highway 3503
CountyEctor County
StateTexas
Coordinates31.80152, -102.30476
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans15
Design loadUnknown
Structure length186 ft (56.7 m)
Longest span10 ft (3 m)
Deck width37 ft (11.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,977 (2022)
Projected traffic1,570 by 2033
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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$16,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 3503 over Monahans Draw built?

It was built in 1970, making it 55 years old in 2025.

What condition is FM 3503 over Monahans Draw 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 March 2023.

How much traffic does FM 3503 over Monahans Draw carry?

About 1,977 vehicles per day (2022 count), of which roughly 37% are trucks.

How long is FM 3503 over Monahans Draw?

The structure is 186 ft (56.7 m) long with a longest span of 10 ft (3 m) and a deck 37 ft wide.

Who owns FM 3503 over Monahans Draw?

It is owned by the State Highway Agency.