US Bridges

FM 846 over Morgan Creek

Good

Howard County, Texas · 4.80 MI E of FM 669 · Structure no. 081150187202002

Built
1959
66 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
50 ft
5 main spans
Daily traffic
1,188
2020 count
Owner
State
State Highway Agency

About this bridge

FM 846 over Morgan Creek is a concrete culvert carrying FM 846 over Morgan Creek in Howard County, Texas. It was built in 1959, so it is 66 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 1,188 vehicles a day, roughly 24% of them trucks, projected to reach 490 by 2033. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesFM 846
CrossesMorgan Creek
Location4.80 MI E of FM 669
RouteState Highway 846
StateTexas
Coordinates32.46793, -101.4153
Functional classRural Major 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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to 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 spans5
Design loadOther
Structure length50 ft (15.2 m)
Longest span8 ft (2.4 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,188 (2020)
Projected traffic490 by 2033
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 846 over Morgan Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is FM 846 over Morgan Creek 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 June 2023.

How much traffic does FM 846 over Morgan Creek carry?

About 1,188 vehicles per day (2020 count), of which roughly 24% are trucks.

How long is FM 846 over Morgan Creek?

The structure is 50 ft (15.2 m) long with a longest span of 8 ft (2.4 m) and a deck 31 ft wide.

Who owns FM 846 over Morgan Creek?

It is owned by the State Highway Agency.