US Bridges

FM 670 over Morgan Creek Draw

Good

Mitchell County, Texas · 0.4 MI W of FM 1229 · Structure no. 081680247101003

Built
1960
65 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
22 ft
4 main spans
Daily traffic
120
2020 count
Owner
State
State Highway Agency

About this bridge

FM 670 over Morgan Creek Draw is a concrete culvert carrying FM 670 over Morgan Creek Draw in Mitchell County, Texas. It was built in 1960, so it is 65 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 120 vehicles a day, roughly 32% of them trucks, projected to reach 300 by 2033. The structure is 22 ft (6.7 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesFM 670
CrossesMorgan Creek Draw
Location0.4 MI W of FM 1229
RouteState Highway 670
StateTexas
Coordinates32.42463, -100.99401
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadOther
Structure length22 ft (6.7 m)
Longest span5 ft (1.5 m)
Deck width31 ft (9.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2020)
Projected traffic300 by 2033
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 670 over Morgan Creek Draw built?

It was built in 1960, making it 65 years old in 2025.

What condition is FM 670 over Morgan Creek Draw in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does FM 670 over Morgan Creek Draw carry?

About 120 vehicles per day (2020 count), of which roughly 32% are trucks.

How long is FM 670 over Morgan Creek Draw?

The structure is 22 ft (6.7 m) long with a longest span of 5 ft (1.5 m) and a deck 31 ft wide.

Who owns FM 670 over Morgan Creek Draw?

It is owned by the State Highway Agency.